Ready the Cannons!: Build Wiffle Ball Launchers, Beverage Bottle Bazookas, Hydro Swivel Guns, and Other Artisanal Artillery / William Gurs (Hardcover)
William Gurstelleis the author of"Defending Your Castle," "Absinthe & Flamethrowers," "The Art of the Catapult," "Backyard Ballistics," "Building Bots," "Notes from the Technology Underground," and"Whoosh, Boom, Splat." He is a professional engineer who has been researching and building model catapults and ballistic devices for more than 30 years and is a contributing editor at"Popular Mechanics," a columnist for"Make"magazine, and writes frequently for the"Atlantic," "Maxim," and"Wired"as well as other national magazines. He lives in Minneapolis, Minnesota."