BACKYARD BALLISTICS By William Gurstelle This step-by-step guide enables ordinary folks to construct 13 awesome ballistic devices using inexpensive easily purchased materials.

Clear instructions, diagrams, and photographs show how to build projects ranging from the simple -- a match-powered rocket - to the more complex -- a tabletop catapult -- to the classic -- the infamous potato cannon --to the offbeat -- a Cincinnati fire kite.

With a strong emphasis on safety, Backyard Ballistics also provides troubleshooting tips, and explains the physics behind each project.

This book will be indispensable for the legions of backyard toy-rocket launchers and fireworks fanatics who wish every day were the Fourth of July.

7" X 10", Soft cover, 274 pages, illustrated.