Jim Wiese

Harold Keith Melton

The Spy's Guide to Counterintelligence

The Spy's Guide to Security

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.

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

Spy Science

Discover the weird science behind the ickiest, wackiest, mostunusual things ever to exist! Would you like to make your own slime, discover how lava lampswork, or learn how materials decompose? Have you ever heard about ball lightning or the Aurora Borealis onthe news and wondered what the reporter was talking about? Are you looking for great ideas for your next science fairproject? If you answered "yes" to any of these questions, then Weird Scienceis for you! From banana slugs and dry ice to optical illusions andtime travel, you'll investigate some of the most bizarre scientificoddities on Earth. Dozens of fun-packed activities help you see foryourself how quicksand really works, why our feet sometimes getsmelly, how worm holes and black holes are formed, why insects canwalk on water, and much more. You'll even see how you can turnthese amazing activities into science projects! Each experiment issafe and easy to do, and all you need is everyday stuff from aroundthe house. So get ready to take a strange, creepy, and sometimeseven gross journey through Weird Science!

40 Strange-Acting, Bizarre-Looking, and Barely Believable Activities for Kids

Weird Science

Children/Science Become a super science sleuth with . . . Detective Science 40 Crime-Solving, Case-Breaking, Crook-Catching Activitiesfor Kids Search for evidence, gather clues, and discover how science canhelp solve a mystery. From dusting for fingerprints to analyzinghandwriting, these easy, fun-filled activities give you a firsthandlook at how detectives and forensic scientists use science to solvereal-life crimes. Make a plaster cast of a shoe. Identify lip prints left on aglass. Examine hair and clothing fibers. Practice chemistry toidentify mystery substances, and much more. In no time at all, you'll be thinking like a detective andperforming experiments like a real forensic scientist!

Jim Wiese

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