Warlock of the Witch World
Book 4 of the Estcarp cycle, first published in 1967. This is the 1967 Ace Books version, which is approximately 1/2" shorter than a standard mass-market paperback. Cover art is by Jack Gaughan.
Andre Norton Books
My Personal Collection.
Copyright 2007-2012 by Mike Grimm; cover images are copyrighted by their respective owners, and are used here for illustrative purposes only.