Randall Munroe, former NASA roboticist and creator of the beloved webcomic xkcd, answers questions about the universe you probably never thought to ask in What If?: Serious Scientific Questions to Absurd Hypothetical Questions, out now from Houghton Mifflin Harcourt. With his signature stick figures and superior research skills, Munroe provides hilarious and informative answers to queries about robot apocalypses, soul mates, and the structural stability of billion-story buildings.
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