Piers Anthony

Swell Foop is the twenty-fifth book of the Xanth series by Piers Anthony.

Xone of Contention is the twenty-third book of the Xanth series by Piers Anthony.

Yon Ill Wind is the twentieth novel of the Xanth series by Piers Anthony.

Zombie Lover is the twenty-second book of the Xanth series by Piers Anthony.