Horrors Unknown
Edited by Sam Moscowitz
US Berkley Medallion edition, February 1976.
Condition: Vg- some faint crease lines along the upper cover spine edge otherwise, a solid clean copy with no creases to spine. Pages are crisp and clean. 
 
*Contains stories by Lovecraft, Merritt, Howard, Belknap Long, Ray Bradbury and Seabury Quinn amongst others.