Title: What If? Serious Answers to Absurd Hypothetical Questions
Author(s): Randall Munroe
Cover Artist: Randall Munroe
Interior Artist(s): Randall Munroe
Language: English
Publisher: Houghton Mifflin Harcourt
Published: September 2014
ISBN-10: 0544272994
ISBN-13: 9780544272996
Notes: From the author of xkcd.