Spy Science: 40 Secret-Sleuthing, Code-Cracking, Spy-Catching Activities for Kids by Jim Wiese, Ed Shems

Spy Science: 40 Secret-Sleuthing, Code-Cracking, Spy-Catching Activities for Kids

Jim Wiese, Ed Shems

128 pages • first pub 1996 (editions)

informative medium-paced
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Sh-h-h-h-h-h!!Top Secret...Crack the code of superspy science fun!Make your own spy sunglasses * Write messages with invisible ink * Hook up a secret alarm, and much more!Discover how spies use science to keep--or uncover--top secrets.Learn how to...

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