Kethan, heir to the House of Car Do Prawn, destined to become lord of Arvon, acquires a leopard-skin belt with strange powers, its clasp a leopard's head made from jargoon stone. Unable to take it off, Kethan becomes part man, part beast. In the perilous confrontation between his inner good and evil, he discovers his true identity and the quest he must undertake.
Andre Alice Norton (1912-2005) was an American science fiction and fantasy author (with some works of historical fiction and contemporary fiction) under the noms de plume Andre Norton, Andrew North and Allen Weston. Norton published her first novel in 1934, and was the first woman to receive the Gandalf Grand Master Award from the World Science Fiction Society in 1977, and won the Damon Knight Memorial Grand Master Award from the Science Fiction and Fantasy Writers of America (SFWA) association in 1983.
Andre Norton. Wikipedia.