Hear all about the Dark Knight's greatest foes and biggest battles in this guide from Batman himself! How did a giant penny end up in the Batcave? What happened when Man-Bat ambushed Batman in the Gotham City museum? And just why is the Penguin obsessed with rubber duckies? Dive into the Batcomputer archives with help from Batman, Robin and more to find out! This guide to Batman's worst bad guys is full of laughs, action and everything you want to know about the bad guys of Gotham City.