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Prisoners' Inventions is a small-press book comprising an illustrated guide to the ingenious folk-art-cum-contraband manufactured by artisans in America's prison system, from toilet-roll chess-sets to this "water lighter." This stuff makes a joke out of MacGuyver and Gilligan's Island's Professor -- (often) brilliant inventions, refined by thousands of inventors who have necessity in plenty, and passed folklorically from one prisoner to another.
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I write books. My latest is a YA science fiction novel called Homeland (it's the sequel to Little Brother). More books: Rapture of the Nerds (a novel, with Charlie Stross); With a Little Help (short stories); and The Great Big Beautiful Tomorrow (novella and nonfic). I speak all over the place and I tweet and tumble, too.