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Are you William Gurstelle, author of the books below?
Backyard Ballistics by William Gurstelle Absinthe & Flamethrowers by William Gurstelle The Art of the Catapult by William Gurstelle Defending Your Castle by William Gurstelle The Practical Pyromaniac by William Gurstelle Adventures from the Technology Underground by William Gurstelle Whoosh Boom Splat by William Gurstelle Building Bots by William Gurstelle Ready the Cannons! by William Gurstelle ReMaking History, Volume 1 by William Gurstelle


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