"Here comes a big fat blob of terror! Boo, a djinn created long ago by the evil warlock Bibiddi, has been freed from the spell that bound him. He's got the mind of a child but more power than anyone has ever seen--and he's indestructible. Blow him to bits, and the pieces just glom together again. The only one with the power to bind him is the hideous Bobiddi, the son of Bibiddi, who's even more wicked than his father!"