What If? Sweepstakes!

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.

Gideon Smith amazon buy linkWe have three copies of What If?: Serious Scientific Answers to Absurd Hypothetical Questions to send your way right now!

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NO PURCHASE NECESSARY TO ENTER OR WIN. A purchase does not improve your chances of winning. Sweepstakes open to legal residents of 50 United States and D.C., and Canada (excluding Quebec). To enter, comment on this post beginning at 4:30 PM Eastern Time (ET) on September 10. Sweepstakes ends at 12:00 PM ET on September 14. Void outside the United States and Canada and where prohibited by law. Please see full details and official rules here. Sponsor: Tor.com, 175 Fifth Ave., New York, NY 10010.

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