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 go under cover, master Morse code, and even builddevices to see and hear through walls! These and dozens of otherfun-filled activities give you an inside look at the science behindspy gadgets and tricks of the trade. All the activities arecompletely safe and can be done with everyday stuff from around thehouse.

From the Publisher:

Popular children's book author Wiese teaches kids fundamental science through simple activities related to spies and espionage. His engaging book contains 40 different scientifically-sound projects that are safe, easy to do, and require common household materials. Features such activities as writing in invisible ink, sending a message in Morse code, building a listening device, and visiting the CIA's home page on the Internet. Includes scores of delightful illustrations, dozens of ideas for "More Fun Stuff to Do" and "Spy Science in Action" sections which show kids how the scientific principles they've learned are involved in actual spying.

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