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Ordinary folks can construct 13 awesome ballistic device s in their garage or basement workshops using inexpensive household or hardware store materials and this step-by-step guide. Clear instructions, diagrams, and photo graphs show how to build projects ranging from the simple -- a match-powered rocket -- to the more complex -- a scale-model, table-top catapult -- to the offbeat -- a tennis ball cannon. With a strong emphasis on safety, the book also gives tips on troubleshooting, explains the physics behind the projects, and pro file s scientists and extra ordinary experimenters such as Alfred Nobel, Robert Goddard, and Isaac Newton. This book will be indispensable for the legions of backyard toy-rocket launcher s and fireworks fanatics who wish every day was the fourth of July.

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