Did you know that there are actually 27 letters in the alphabet, or that the U.S. had a plan to invade Canada? And what actually happened to the flags left on the moon? Even if you think you have a handle on all things trivia, you're guaranteed a big surprise with Now I Know. From uncovering what happens to lost luggage to New York City's plan to crack down on crime by banning pinball, this book will challenge your knowledge of the fascinating stories behind the world's greatest facts. Covering 100 outrageous topics, Now I Know is the ultimate challenge for any know-it-all who thinks they have nothing left to learn.