What If? 10th Anniversary Edition

A special tenth anniversary edition of the million-copy bestseller What If? from the creator of the wildly popular webcomic xkcd—revised and annotated with answers to important 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 ninety percent the speed of light? How fast can you hit a speed bump while driving and li...