Before even considering buying this book, it’s worth your time to sign up for Dan Lewis’ daily email blast. Each day he sends out crazy-interesting info on tons of random things he’s learned. Once you’ve done that and you want more, grab the book. You’ll gain all kinds of knowledge that will make you the most interesting person at your next soiree. Learn about the fact that the U.S. had a plan to invade Canada and that there are actually more letters in the alphabet than you think. Buy it and your brain will grow out of your skull.