SPECIAL UPDATED 10th ANNIVERSARY EDITION OF THE MILLION-SELLING POP SCIENCE CLASSIC

WHAT IF... one man decided to answer all the unanswerable questions, using science.

'Randall Munroe is nerd royalty' BEN GOLDACRE
'Brilliant' ROLLING STONE
'Smart answers to silly questions: Munroe reveals all' GUARDIAN
'Required reading' NEW YORK TIMES

Randall Munroe is the creator of the wildly popular xkcd.com. His readers ask him a lot of strange questions:

What wo ...