What If? 10th Anniversary Edition

A special 10th anniversary edition of the million-copy bestseller What If? from the creator of the wildly popular webcomic xkcd-revised and annotated with brand-new illustrations and answers to the most absurd hypothetical questions you never thought to ask.

Fans of xkcd ask Munroe a lot of strange questions: What if you tried to hit a baseball pitched at 90 percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long ...