Gate of Ivrel

Gate of Ivrel is a 1976 novel by American writer C. J. Cherryh, her first published work. It is the first of four books composing the Morgaine Stories, chronicling the deeds of Morgaine, a woman consumed by a mission of the utmost importance, and her chance-met companion, Nhi Vanye i Chya. Cherryh lists it on her website as a fantasy novel, and noted author Andre Norton agreed with her. Others, however, classify it as science fiction or science fantasy.