Zombie Lover

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

Plot summary
Breanna, a beautiful young newcomer to the enchanted land of Xanth, must deal with a distressing dilemma. She has unwittingly attracted the affections of King Xeth, ruler of Xanth's Zombies, who yearns to make her Queen of the Undead.