Man from Mundania by Piers Anthony [Used - very good]
The third story in the "Magic of Xanth" trilogy shows Xanth three years after Prince Dolph's search for the Good Magician Humphrey. Electra has electra-plated the Heaven Cent whom Dolph's sister Ivy invokes to help her continue the Quest. The author has also written "Vale of the Vole".
Publisher: Hodder & Stoughton
Publication date: 1991