The Questing of Kedrigern

From the back cover:His name is Kedrigern. Wizard extraordiaire. Counterspell expert. Lazy homebody. And when he's asked to lecture at the annual wizard's convention, his lady friend Princess is delighted to get out of the house.But tragedy strikes the Wizcon when a pair of drunken conjurers inadvertently turn Princess into a toad. Again. And since counterspells only work once, it's up to Kedrigern to go out and find a new solution.So begins a most extraordinary quest. With strange companions at his side--and Death at his heels-- Kedrigern must cross a maelstrom of magic and a sudden detour into a dangerous future land call LA--or else his Princess will have to live on a diet of flies for the rest of her life!