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Pre-Owned What If?: Serious Scientific Answers to Absurd Hypothetical Questions (Hardcover) $11.91

Pre-Owned What If?: Serious Scientific Answers to Absurd Hypothetical Questions (Hardcover)

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Pre-Owned How To: Absurd Scientific Advice for Common Real-World Problems from Randall Munroe of xkcd (Paperback) by Randall Munroe $14.80

Pre-Owned How To: Absurd Scientific Advice for Common Real-World Problems from Randall Munroe of xkcd (Paperback) by Randall Munroe

current price $14.80

Pre-Owned How To: Absurd Scientific Advice for Common Real-World Problems from Randall Munroe of xkcd (Paperback) by Randall Munroe

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What If?2: Additional Serious Scientific Answers to Absurd Hypothetical Questions $16.70

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Thing Explainer: Complicated Stuff in Simple Words (Paperback) by Randall Munroe $28.02

Thing Explainer: Complicated Stuff in Simple Words (Paperback) by Randall Munroe

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Thing Explainer: Complicated Stuff in Simple Words (Paperback) by Randall Munroe

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Pre-Owned How to Invent Everything: A Survival Guide for the Stranded Time Traveler (Hardcover)

Pre-Owned How to Invent Everything: A Survival Guide for the Stranded Time Traveler (Hardcover)

Pre-Owned How to Invent Everything: A Survival Guide for the Stranded Time Traveler (Hardcover)

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