Wouldn't you know it, right when the trusty Time Warp Trio is about to go on stage in the school play, the script gets knocked into The Book, and Joe, Fred, and Sam come face-to-face with Cerberus, the mythological three-headed dog of Hades. And the drooling guard dog isn't the worst of their problems: The guys have landed smack in the middle of a feud between the gods of ancient Greece and some really ugly monsters.

To keep their odyssey from becoming a Greek tragedy, the gang needs to find The Book, and fast!