Night Mare is a fantasy novel by American writer Piers Anthony, the sixth book of the Xanth series. In the book, Xanth is under threat of a barbarian invasion from Mundania. Its only hope is the talents of the Magicians of Xanth and an exiled night mare, sent to the world of waking with the dire message: "Beware the Horseman."
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Placement
- contained in More Magic of Xanth (boxed set)omnibus
- contained in The Continuing Xanth Sagaomnibus