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What If?: Serious Scientific Answers to Absurd Hypothetical Questions, International Edition Paperback – September 2, 2014

4.7 out of 5 stars 7,334 ratings

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Editorial Reviews

About the Author


Randall Munroe is the author of the #1 New York Times bestseller What If?, the science question-and-answer blog What If, and the popular webcomic xkcd.  A former NASA roboticist, he left the agency in 2006 to draw comics on the Internet full-time, supporting himself through the sale of xkcd t-shirts, prints, posters, and books. He likes candlelight dinners and long walks on the beach. Very long walks. Lots of people say they like long walks on the beach, but then they get out on the beach and after just an hour or two, they say they’re getting tired. Bring a tent. He lives in Massachusetts.




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4.7 out of 5 stars
4.7 out of 5
7,334 customer ratings
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Reviewed in the United States on December 9, 2016
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Reviewed in the United States on September 26, 2014
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Top international reviews

John Birch
5.0 out of 5 stars A total joy for anyone with an enquiring mind and interest in science
Reviewed in the United Kingdom on December 27, 2017
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5.0 out of 5 stars Brilliant!
Reviewed in the United Kingdom on July 2, 2017
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Stuart Aken
5.0 out of 5 stars Fascinating, Funny, Mind-expanding!
Reviewed in the United Kingdom on January 14, 2020
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Rizki
5.0 out of 5 stars Absolute genius. Please read it.
Reviewed in the United Kingdom on October 5, 2016
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Dr. Michael Heron
5.0 out of 5 stars What if all popular science books were written like this?
Reviewed in the United Kingdom on January 8, 2016
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Tim Parsons
5.0 out of 5 stars Buy it. Or, if you're unsure, go read a lot of xkcd webcomics for free than come back and buy it.
Reviewed in the United Kingdom on March 16, 2016
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M. Shuttleworth
5.0 out of 5 stars Quite beautiful!
Reviewed in the United Kingdom on August 16, 2016
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Saverio Terracciano
5.0 out of 5 stars The book I've bought the most times
Reviewed in the United Kingdom on December 7, 2019
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GnorthernGnome
5.0 out of 5 stars Just buy it! Exceptional value for money!
Reviewed in the United Kingdom on February 18, 2015
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Lauragh
5.0 out of 5 stars What if?
Reviewed in the United Kingdom on February 16, 2020
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Miscelany
5.0 out of 5 stars Brilliant for over talkative imaginative kids!
Reviewed in the United Kingdom on May 10, 2020
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Kindle Customer
5.0 out of 5 stars Full of interesting questions you never knew you wanted answering
Reviewed in the United Kingdom on September 24, 2019
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Pepperpincushion
5.0 out of 5 stars Brilliantly absurd
Reviewed in the United Kingdom on January 31, 2019
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Tom
5.0 out of 5 stars Highly recommend for absolutely everyone from the point that they can start to read upwards!
Reviewed in the United Kingdom on January 8, 2016
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DadTheTooth
5.0 out of 5 stars Fabulous book
Reviewed in the United Kingdom on July 4, 2017
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