A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself
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Sibling sleuths Nick and Tesla work to expose a spy in their midst and must engineer spy gadgets in order to catch the culprit. The coauthor is Steve Hockensmith. Book #3
Featured Series
5 primary booksNick and Tesla is a 5-book series with 5 released primary works first released in 2013 with contributions by Bob Pflugfelder and Steve Hockensmith.
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