 Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices Author: William Gurstelle Manufacturer: Chicago Review Press ListPrice: $16.95 Offer: $11.53
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 Sneaky Uses for Everyday Things: How to Turn a Penny into a Radio, Make a Flood Alarm with an Aspirin, Change Milk into Plastic, Extract Water and Electricity ... a TV with Your Ring, and Other Amazing Feats Author: Cy Tymony Manufacturer: Andrews McMeel Publishing ListPrice: $10.99 Offer: $8.79
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 Whoosh Boom Splat: The Garage Warrior's Guide to Building Projectile Shooters Author: William Gurstelle Manufacturer: Three Rivers Press ListPrice: $16.95 Offer: $11.53
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 The Art of the Catapult: Build Greek Ballistae, Roman Onagers, English Trebuchets, and More Ancient Artillery Author: William Gurstelle Manufacturer: Chicago Review Press ListPrice: $16.95 Offer: $11.53
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 Sneakier Uses for Everyday Things: How to Turn a Calculator into a Metal Detector, Carry a Survival Kit in a Shoestring, Make a Gas Mask with a Balloon, ... a James Bond Spy Jacket with Everyday Thing Author: Cy Tymony Manufacturer: Andrews McMeel Publishing ListPrice: $10.99 Offer: $8.79
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 Gonzo Gizmos: Projects & Devices to Channel Your Inner Geek Author: Simon Field Manufacturer: Chicago Review Press ListPrice: $16.95 Offer: $11.53
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 Chemical Magic Author: Leonard A. Ford Manufacturer: Dover Publications Inc. ListPrice: $6.95 Offer: $6.95
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 Adventures from the Technology Underground: Catapults, Pulsejets, Rail Guns, Flamethrowers, Tesla Coils, Air Cannons, and the Garage Warriors Who Love Them Author: William Gurstelle Manufacturer: Three Rivers Press ListPrice: $13.95 Offer: $11.16
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 Sneakiest Uses for Everyday Things: How to Make a Boomerang with a Business Card, Convert a Pencil into a Microphone, Make Animated Origami, Turn a TV ... Create Alternative Energy Science Projects Author: Cy Tymony Manufacturer: Andrews McMeel Publishing ListPrice: $10.99 Offer: $8.79
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 Return of Gonzo Gizmos: More Projects & Devices to Channel Your Inner Geek Author: Simon Field Manufacturer: Chicago Review Press ListPrice: $16.95 Offer: $11.53
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 MAKE: Technology on Your Time Vol. 1 (Make: Technology on Your Time) Author: Mark Frauenfelder Manufacturer: O'Reilly Media, Inc. ListPrice: $14.99 Offer: $10.19
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 Entertaining Science Experiments with Everyday Objects Author: Martin Gardner Manufacturer: Dover Publications ListPrice: $3.95 Offer: $3.95
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 The Mad Scientist Handbook Author: Joey Green Manufacturer: Perigee Trade ListPrice: $12.95 Offer: $10.36
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 Make: Technology on Your Time, Vol. 2 Author: Mark Frauenfelder Manufacturer: O'Reilly Media ListPrice: $14.99 Offer: $10.19
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 47 Easy-to-Do Classic Science Experiments Author: Eugene F. Provenzo Manufacturer: Dover Publications ListPrice: $5.95 Offer: $5.95
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 Ink Sandwiches, Electric Worms, and 37 Other Experiments for Saturday Science Author: Neil A. Downie Manufacturer: The Johns Hopkins University Press ListPrice: $22.50 Offer: $22.50
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 The Mad Scientist Handbook II Author: Joey Green Manufacturer: Perigee Trade ListPrice: $12.95
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 Exploding Disk Cannons, Slimemobiles, and 32 Other Projects for Saturday Science Author: Neil A. Downie Manufacturer: The Johns Hopkins University Press ListPrice: $19.95 Offer: $19.95
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 Sneakier Uses for Everyday Things: How to Turn a Calculator into a Metal Detector, Carry a Survival Kit in a Shoestring, Make a Gas Mask with a Balloon, ... a James Bond Spy Jacket with Everyday Thing Author: Cy Tymony Manufacturer: Andrews McMeel Publishing ListPrice: $10.95
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 Exploding Disk Cannons, Slimemobiles, and 32 Other Projects for Saturday Science Author: Neil A. Downie Manufacturer: The Johns Hopkins University Press ListPrice: $69.50 Offer: $69.50
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