An exciting new illustrated chapter book series set in a magical ancient Greece filled with heroic adventures, gods and goddesses, mythical beasts, and plenty of humor.  Pandemonious is summoned by the great god Hades to the Underworld. His most-hated hero, Heracles, has just returned Cerberus the three-headed dog Guardian of the Underworld to his god master-but something is wrong with the beast and only Pandemonious can help.