One of the illustrations from Alex Through The Looking Glass by Alex Bellos, published today by Bloomsbury and drawn by The Surreal McCoy.

Think of the best storyteller you know and the coolest teacher you ever had, and now you’ve got some idea of what Alex Bellos is like. The book taught me something new on every page. Better yet, it made me laugh and want to tell someone what I’d just read. Math has never been so much fun.
Steven Strogatz, professor of applied mathematics, Cornell University, and author, The Joy of x