Beyond the Curtain of Dark
Edited by Peter Haining
First edition published by Four Square, 1966.
Condition: Vg, light wear to edges, no creasing to the spine, a solid, clean copy. Superb cover art by Josh Kirby. It was reissued in 72 by NEL, this edition is uncommon. 
 
"A midnight pot-pourri of the unholy and unnameable" 
Contains 23 stories by authors such as Lovecraft, Derleth, Ray Bradbury, Ambrose Bierce, Bob Bloch, Patricia Highsmith and many more. All stories are pre-1910