Like most college students, textbooks are the bane of our existence. Sometimes you need them, sometimes you don’t. If you do need them, they aren’t cheap, and when you don’t need them, no one ever tells you not to buy them. In this Definitive Guide special, we’re going to train you in the art of sniping books for cheap and really free. Get your gear on, because this ninja mission’s gonna be fun. Be warned, some of these tactics are unconventional and can put you in a lot of trouble. But you’re a ninja right, so it doesn’t matter.