"Day of the Minotaur" by Thomas Burnett Swann from my father's collection.  

1966 Ace Books #F-407, 159 pages.  Cover and interior illustration by Gray Morrow.  A "First Book Publication" for Ace Books.  

This book is in very good condition with little wear.  Please see photos for more condition details.

This is one of the many comic books, pulp magazines, paperbacks, and hardcovers I have inherited from my father, who had been collecting from the mid-1940s in Maine until his death in the late 1990s in Los Angeles.  I combine orders to save on shipping!