The Tessellated Tetrahexahedral Yellow Rose of Texas
Alan Dean Foster
The High Priest and the Idol
Jane Fletcher
Lyremouth Chronicles (4)
The Dastard
Piers Anthony
Xanth (24)
The Devil Incarnate
Jill Braden
Devil of Ponong (2)
If at Faust You Don't Succeed
Roger Zelazny & Robert Sheckley