Books in the Xanth Novels series

A bumbling elf girl and a shapeshifting prince must rescue a kidnapped flying centaur in this humorous fantasy adventure by a New York Times-bestseller. Shapeshifting Prince Dolph can take on almost any form he chooses but he can't decide on whom to marry. Dolph has two fiancées: Nada Naga and Electra. While he prefers Nada to Electra, Nada has no interest in him. Meanwhie, Electra loves Dolph and if she doesn't marry him, she'll die. Fortunately, a convenient catastrophe arises that requires Dolph's immediate attention. Goblins have kidnapped young Che Centaur. Their only lead is an elflike girl named Jenny from the World of the Two Moons whose nearsighted vision has gotten her lost. With her leading the way, there's no telling where this search for the missing centaur will go.