The Hypersonic Secret
Sale price
$379
Chapter Book · Ages 9–12 · 1995 · Est. 3.5 hour read

The Hypersonic Secret

Written by Franklin W. Dixon

Book #135 in the The Hardy Boys series

Frank and Joe unravel a conspiracy linked to a vanished pilot.

3.8 Goodreads · 98 ratings
160 pages· 31,800 words· Est. 3.5 hour read· ~810L
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Bookroo's summary

When an air taxi pilot vanishes, Frank and Joe Hardy dive into a mystery tangled with sabotage and secrets. Their investigation leads to millionaire Ian Fairbanks, whose ties to a national conspiracy could change everything. As they dig deeper, the brothers must navigate a web of deceit and danger. Can they uncover the truth before it's too late?

From the publisher

Another adventure involving Frank and Joe, the intrepid Hardy boys.

At a glance
Format
Paperback
Pages
160
Words
31,800
Reading age
9–12
Audience
Middle Grade
Lexile
~810L
The author

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The series

The The Hardy Boys series

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The fine print

Book details

Reading levels
ATOS
5.2
F&P level
~S
AR points
5
AR interest level
MG
AR quiz
19735
Publication
Published
December 1, 1995
First published
January 1, 1995
Publisher
Aladdin
Edition
Language
English
Type
Chapter Book
Identifiers
ISBN
9780671505189
OCLC
59599124

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