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Chapter Book · Ages 9–12 · 1993 · Est. 3.5 hour read
The Robot's Revenge
Written by Franklin W. Dixon
Book #123 in the The Hardy Boys series
A sabotaged invention threatens chaos at a teen competition.
3.7 Goodreads · 102 ratings
160 pages· 31,607 words· Est. 3.5 hour read· ~670L
$3.99Save 5%
In stock. Also at Amazon.
Bookroo's summary
At the Teen Inventors Club competition, Frank and Joe Hardy face a mystery when their invention, Roger the Lobber, is stolen and returns as a dangerous device. Can they uncover the saboteur before disaster strikes?
From the publisher
The Hardy’s invention, Roger the Lobber, an automatic tennis ball retrieval and return unit, has been stolen from the Teen Inventor’s Club competition and then reappears without warning, transformed into a device of danger.
At a glance
- Format
- Paperback
- Pages
- 160
- Words
- 31,607
- Reading age
- 9–12
- Audience
- Middle Grade
- Lexile
- ~670L
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