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The Motor Boys on Thunder Mountain
The Motor Boys on Thunder Mountain

Chapter XXI

Chapter 21 of The Motor Boys on Thunder Mountain is here in full — 130 sentences across 26 reading sections, with audio for every sentence and word.

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Context Illustration Reading 1/26 · 5 lines
English subtitles · tap any word to listen 1 / 5
AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.
All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.
And this,” said Tinny as they started out on the search, limits us to two or three well-known trails.
But, with all that, it isn’t going to be easy work.”
The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.
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LEARNER DICTIONARY
Archivist
/ˈɑːrkɪvɪst/
Editorial verification pending

A keeper or guardian of historical records and memories.

The Motor Boys on Thunder Mountain

Chapter XXI

Chapter 21 of The Motor Boys on Thunder Mountain is here in full — 130 sentences across 26 reading sections, with audio for every sentence and word.

Reading 1/26 · 5 reading units · Lines 1–5

Line 1
AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.
Line 2
All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.
/ɔːl ðeɪ hæd bɪn ˈeɪbəl tuː ɪˈstæblɪʃ wɑːz ðə fækt ðæt ðə ˈræskəlz hæd nɑːt ˈteɪkən tuː ˈsɜːrtən roʊdz fɔːr ðeɪ hæd nɑːt bɪn siːn ɑːn ðem/
Line 3
And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.
/ənd ðɪs sed ˈtɪni æz ðeɪ ˈstɑːrtɪd aʊt ɑːn ðə sɜːrtʃ ˈlɪməts ʌs tuː tuː ɔːr θriː ˈwelˈnoʊn treɪlz/
Line 4
But, with all that, it isn’t going to be easy work.”
Line 5
The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.
/ðə ˈmaɪnərz ɑːn ˈhɔːrsbæk hæd bɪn toʊld tuː ˈfɑːloʊ ə roʊd wɪtʃ ðə bɔɪz hæd nɑːt hæd ə tʃæns tuː ˌɪnˈvestəɡeɪt ðə deɪ bɪˈfɔːr/

Learner Dictionary

These definitions explain words found in the current reading and keep every example grounded in its original sentence.

Oxford-style entry order: headword, part of speech, US IPA, concise definition, contextual example, and audio.

avalanche noun US /ˈævəlæntʃ/

a slide of large masses of snow and ice and mud down a mountain

From this reading “AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.”

cronies noun US /ˈkroʊniz/

plural of “crony” — a close friend who accompanies his buddies in their activities

From this reading “AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.”

investigate verb US /ˌɪnˈvestəɡeɪt/

investigate scientifically

From this reading “The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.”

miners noun US /ˈmaɪnərz/

plural of “miner” — laborer who works in a mine

From this reading “The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.”

Nixon noun US /ˈnɪksən/

vice president under Eisenhower and 37th President of the United States; resigned after the Watergate scandal in 1974 (1913-1994)

From this reading “AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.”

rascals noun US /ˈræskəlz/

plural of “rascal” — a deceitful and unreliable scoundrel

From this reading “All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.”

Tinny adjective US /ˈtɪni/

of or containing tin

From this reading ““And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.”

trails noun US /treɪlz/

plural of “trail” — a track or mark left by something that has passed

From this reading ““And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.”

Word partnerships in these lines

English keeps certain words together, and knowing the pair is worth more than knowing each word alone. Every partnership below was counted across our whole published library, and earns its place by appearing far more often than two unrelated words of the same frequency would.

Shown as this reading writes them, with the form the library counts, what kind of pairing it is, and how often it occurs.

on horseback preposition + noun

In this reading “The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.”

ran off verb + particle counted as “run off”

run away; usually includes taking something or somebody along

In this reading “AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.”

started out verb + adjective counted as “start out”

take the first step or steps in carrying out an action

In this reading ““And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.”

All words in this reading · 77

Every word in these five lines is listed here, and every one of them can be played on its own.

Dictionary details are shown only when verified; these are not licensed Oxford entries.

adeterminerUS /ə/

used before a singular noun to mean one of a group, when it is not a particular one

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

ableadjectiveUS /ˈeɪbəl/

(usually followed by “to”) having the necessary means or skill or know-how or authority to do something

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

alladjectiveUS /ɔːl/

(quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

ANdeterminerUS /æn/

the form of “a” used before a word that begins with a vowel sound

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

andconjunctionUS /ənd/

used to join words or parts of a sentence that go together

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

asconjunctionUS /æz/

at the same time that; because; in the way that

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

AVALANCHEnounUS /ˈævəlæntʃ/

a slide of large masses of snow and ice and mud down a mountain

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

beauxiliary verbUS /biː/

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading But, with all that, it isn’t going to be easy work.”

beenauxiliary verbUS /bɪn/

the past participle of “be”

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

beforeprepositionUS /bɪˈfɔːr/

earlier than; in front of

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

BillnounUS /bɪl/

a statute in draft before it becomes law

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

BoysnounUS /bɔɪz/

plural of “boy” — a youthful male person

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

ButconjunctionUS /bʌt/

used to introduce something that contrasts with what came before

From this reading But, with all that, it isn’t going to be easy work.”

byprepositionUS /baɪ/

showing who or what does the action

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

certainadjectiveUS /ˈsɜːrtən/

definite but not specified or identified

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

chancenounUS /tʃæns/

a possibility due to a favorable combination of circumstances

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

clewnoun

a ball of yarn or cord or thread

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

Cromley

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

croniesnounUS /ˈkroʊniz/

plural of “crony” — a close friend who accompanies his buddies in their activities

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

daynounUS /deɪ/

time for Earth to make a complete rotation on its axis

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

definiteadjectiveUS /ˈdefənət/

precise; explicit and clearly defined

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

easyadjectiveUS /ˈiːzi/

posing no difficulty; requiring little effort

From this reading But, with all that, it isn’t going to be easy work.”

establishverbUS /ɪˈstæblɪʃ/

set up or found

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

factnounUS /fækt/

a piece of information about circumstances that exist or events that have occurred

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

followverbUS /ˈfɑːloʊ/

to travel behind, go after, come after

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

forprepositionUS /fɔːr/

intended to be given to, or used by, somebody

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

friendsnounUS /frendz/

plural of “friend” — a person you know well and regard with affection and trust

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

goingnounUS /ˈɡoʊɪŋ/

the act of departing

From this reading But, with all that, it isn’t going to be easy work.”

hadauxiliary verbUS /hæd/

the past form of “have”, used to form the past perfect

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

hisdeterminerUS /hɪz/

belonging to a man, boy, or male animal already mentioned

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

horsebacknounUS /ˈhɔːrsbæk/

the back of a horse

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

investigateverbUS /ˌɪnˈvestəɡeɪt/

investigate scientifically

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

isn't

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading But, with all that, it isn’t going to be easy work.”

itpronounUS /ɪt/

a thing, animal, or idea already mentioned

From this reading But, with all that, it isn’t going to be easy work.”

limitsnounUS /ˈlɪməts/

plural of “limit” — the greatest possible degree of something

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

minersnounUS /ˈmaɪnərz/

plural of “miner” — laborer who works in a mine

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

MotornounUS /ˈmoʊtər/

machine that converts other forms of energy into mechanical energy and so imparts motion

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

NixonnounUS /ˈnɪksən/

vice president under Eisenhower and 37th President of the United States; resigned after the Watergate scandal in 1974 (1913-1994)

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

nodeterminerUS /noʊ/

not any; not one

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

Noddy

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

notadverbUS /nɑːt/

used to make a word, phrase, or sentence negative

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

offadverbUS /ɔːf/

from a particular thing or place or position (“forth” is obsolete)

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

onprepositionUS /ɑːn/

touching and supported by a surface

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

orconjunctionUS /ɔːr/

used to join alternatives or possibilities

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

outadjectiveUS /aʊt/

not allowed to continue to bat or run

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

ranverbUS /ræn/

inflected form of “run” — move fast by using one's feet, with one foot off the ground at any given time

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

rascalsnounUS /ˈræskəlz/

plural of “rascal” — a deceitful and unreliable scoundrel

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

reallyadverbUS /ˈrɪli/

in accordance with truth or fact or reality

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

roadnounUS /roʊd/

an open way (generally public) for travel or transportation

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

roadsnounUS /roʊdz/

a partly sheltered anchorage

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

saidadjectiveUS /sed/

being the one previously mentioned or spoken of

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

searchverbUS /sɜːrtʃ/

try to locate or discover, or try to establish the existence of

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

searchingadjectiveUS /ˈsɜːrtʃɪŋ/

diligent and thorough in inquiry or investigation

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

securedverbUS /sɪˈkjʊrd/

past form of “secure” — get by special effort

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

seenverbUS /siːn/

inflected form of “see” — perceive by sight or have the power to perceive by sight

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

startedverbUS /ˈstɑːrtɪd/

past form of “start” — take the first step or steps in carrying out an action

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

takenadjectiveUS /ˈteɪkən/

understood in a certain way; made sense of

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

thatconjunctionUS /ðæt/

used to introduce what somebody said, thought, or felt

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

thedeterminerUS /ðə/

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

theirdeterminerUS /ðer/

belonging to the people or things already mentioned

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

thempronounUS /ðem/

the people or things already mentioned, as the object

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

theypronounUS /ðeɪ/

the people, animals, or things already mentioned, as the subject

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

thisdeterminerUS /ðɪs/

used for a person or thing that is near, or that has just been mentioned

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

threenounUS /θriː/

the cardinal number that is the sum of one and one and one

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

TinnyadjectiveUS /ˈtɪni/

of or containing tin

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

toparticleUS /tuː/

used before the base form of a verb to make the infinitive

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

toldverbUS /toʊld/

inflected form of “tell” — express in words

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

trailnounUS /treɪl/

a track or mark left by something that has passed

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

trailsnounUS /treɪlz/

plural of “trail” — a track or mark left by something that has passed

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

twonounUS /tuː/

the cardinal number that is the sum of one and one or a numeral representing this number

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

uspronounUS /ʌs/

the speaker and others, as the object of a verb or preposition

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

wasauxiliary verbUS /wɑːz/

the past form of “be” used with I, he, she, it, or a singular noun

From this reading All they had been able to establish was the fact that the rascals had not taken to certain roads, for they had not been seen on them.

well-knownadjectiveUS /ˈwelˈnoʊn/

widely or fully known

From this reading “And this,” said Tinny as they started out on the search, “limits us to two or three well-known trails.

whenconjunctionUS /wen/

at the time that

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

whichpronounUS /wɪtʃ/

used to introduce a clause giving more about a thing just mentioned

From this reading The miners on horseback had been told to follow a road which the boys had not had a chance to investigate the day before.

WithprepositionUS /wɪð/

in the company of; together with

From this reading AN AVALANCHE With all their searching the day before, the Motor Boys and their friends had really secured no definite clew as to the trail taken by Noddy Nixon and his cronies when they ran off with Bill Cromley.

workverbUS /wɜːrk/

exert oneself by doing mental or physical work for a purpose or out of necessity

From this reading But, with all that, it isn’t going to be easy work.”

Chapter 21 of The Motor Boys on Thunder Mountain by Clarence Young holds 130 sentences, grouped into 26 reading sections of at most 5 sentences. The text is the source edition, unabridged, and the chapter records which sentences cover which part of the work so that nothing is dropped. Every word can be tapped for its pronunciation and dictionary entry.

What does chapter 21 of The Motor Boys on Thunder Mountain contain?

Chapter 21 holds 130 sentences of The Motor Boys on Thunder Mountain, unabridged, divided into 26 reading sections.

This page carries chapter 21 of The Motor Boys on Thunder Mountain by Clarence Young exactly as it stands in the source edition, without abridgement. It runs to 130 sentences, grouped into 26 sections of at most 5 sentences so that a reader can take the chapter in steady, finishable pieces. The chapter also stores a coverage record mapping every one of its sentences to a part of the work, which is how the edition demonstrates that no line was dropped.

How do I study chapter 21 of The Motor Boys on Thunder Mountain?

Work through the 26 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 26 sections in this chapter is short enough to read once, hear once, and then re-read with the vocabulary in view. Tapping a word plays it alone and opens its dictionary entry with IPA, part of speech and meaning, so the reader is never forced to guess a pronunciation from spelling. Working section by section keeps a long chapter from becoming an undifferentiated wall of text, which is the usual reason a reader abandons a work of this period.

Can chapter 21 be read aloud to me?

Yes — every sentence and every individual word in chapter 21 can be played aloud in United States English.

Audio covers the whole chapter: any sentence can be played, and any single word within it can be played on its own. The voice uses United States English. For a work of this period that matters, because spelling is an unreliable guide to pronunciation for vocabulary that has fallen out of daily use, and a learner who guesses wrong tends to keep the error. Hearing the word in its own sentence, and then alone, settles it.

Questions about reading The Motor Boys on Thunder Mountain

Common questions about reading The Motor Boys on Thunder Mountain by Clarence Young on this page, its source edition and its audio.

Is this the complete text of The Motor Boys on Thunder Mountain?

Yes. All 3667 sentences of Project Gutenberg eBook #59340 are kept, with a record of which sentences cover which part.

Which edition of The Motor Boys on Thunder Mountain is used?

Project Gutenberg eBook #59340, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does The Motor Boys on Thunder Mountain take to read?

About 305 minutes of reading across 734 sections of 5 sentences each, at an unhurried pace.

How to read The Motor Boys on Thunder Mountain section by section

How to work through The Motor Boys on Thunder Mountain section by section, using the audio and the tap-to-define vocabulary.

  1. Open a chapter

    Choose one of the 30 chapters of The Motor Boys on Thunder Mountain to begin.

  2. Read one section

    Each section holds 5 sentences; read it once through.

  3. Listen and tap

    Play the section aloud, then tap any unfamiliar word for its entry.

Vocabulary met early in The Motor Boys on Thunder Mountain

Words and structures a reader meets early in The Motor Boys on Thunder Mountain, each tappable for pronunciation and meaning.

Treasure
A word that appears in the opening chapter of The Motor Boys on Thunder Mountain; the reader can tap it to hear it and see its dictionary entry.
Chest
A word that appears in the opening chapter of The Motor Boys on Thunder Mountain; the reader can tap it to hear it and see its dictionary entry.
Author
A word that appears in the opening chapter of The Motor Boys on Thunder Mountain; the reader can tap it to hear it and see its dictionary entry.
Motor
A word that appears in the opening chapter of The Motor Boys on Thunder Mountain; the reader can tap it to hear it and see its dictionary entry.