Mything Persons: Myth Adventures, Book 5

Skeeve is in a real pickle this time. His partner Aahz has disappeared, and it looks like foul play. Finding Aahz ought to be a snap for a talented magician like Skeeve, especially with a sassy apprentice and a dumb-but-brawny bodyguard along for the ride. The trouble is, they're sleuthing in another dimension.