44 books in series

Xanth

Xanth is a 44-book series with 44 primary works first released in 1977 with contributions by Piers Anthony.

A Spell for Chameleon
The Source of Magic
Castle Roogna
Centaur Aisle
Ogre, Ogre
Night Mare
Dragon on a Pedestal
Crewel Lye: A Caustic Yarn
Golem in the Gears
Vale of the Vole
Heaven Cent
Man from Mundania
Isle of View
Question Quest
The Color of Her Panties
Demons Don't Dream
Harpy Thyme
Geis of the Gargoyle
Roc and a Hard Place
Yon Ill Wind
Faun & Games
Zombie Lover
Xone of Contention
The Dastard
Swell Foop
Up in a Heaval
Cover 6

Cube Route

Currant Events
Pet Peeve
Stork Naked
Air Apparent
Two to the Fifth
Jumper Cable
Well-Tempered Clavicle
Esrever Doom
Isis Orb
Ghost Writer in the Sky
Cover 5

Fire Sail

Cover 4

Jest Right

Cover 7

Skeleton Key

A Tryst of Fate
Six Crystal Princesses
Cover 7

Apoca Lips