Pyramid Horrors: 60's and '70's1957Mary Shelley - Frankenstein
Bram Stoker - Dracula
1961Leo Margulies (ed.) - The Unexpected
Leo Margulies (ed.) - The Ghoul Keepers
Sax Rohmer - The Return Of Fu Manchu
Sax Rohmer - The Insidious Dr. Fu Manchu
Theodore Sturgeon - Voyage To The Bottom Of The Sea
1962Sax Rohmer - Hand Of Fu Manchu
Sax Rohmer - The Bride of Fu Manchu
Sax Rohmer - The Drums Of Fu Manchu
Sax Rohmer - The Mask Of Fu Manchu
1963Robert Bloch - Bogey Men
Sax Rohmer - President Fu Manchu
Sax Rohmer - The Shadow Of Fu Manchu
Sax Rohmer - The Island Of Fu Manchu
L. Sprague de Camp - The Spell Of Seven: Supernatural Stories Of Sword & Sorcery, 1963
1964Sax Rohmer - Trail Of Fu Manchu
Leo Margulies - Weird Tales
Sax Rohmer - Daughter Of Fu Manchu
1965Leo Margulies (ed.) - Worlds Of Weird
Robert Bloch - Tales In A Jugular Vein
Jack Sharkey - The Addams Family
Robert Bloch - The Skull Of The Marquis de Sade
W. E. Miksch - The Addams Family Strikes Back
Nora Lofts - The Devil's Own
1966Sax Rohmer - Emporer Fu Manchu
Sax Rohmer - The Quest Of The Sacred Slipper
Sax Rohmer - Brood Of The Witch-Queen
Sax Rohmer - The Dream Detective
Sax Rohmer - The Golden Scorpion
Sax Rohmer - The Yellow Claw
Patricia Wentworth - She Came Back (Gothic Romance)
Christopher Lee's Treasury Of Terror ("Great picture stories of supernatural horror")
1967Evelyn Berckman - The Evil Of Time
1968Robert Bloch - The Star Stalker
Susy Smith - Adventures In The Supernormal (non-fiction)
1969Alden H. Norton & Sam Moskowitz (eds.) - Great Untold Stories Of Fantasy & Horror
Paul Tabori - The Torture Machine
1970Dorothy Daniels - A Web of Peril (A Pyramid Gothic Novel)
1971Audrey Leech - The Witches Of Omen
Audrey Leech - Pawn Of Evil
Sax Rohmer - The Green Eyes Of Bast
Alden H. Norton & Sam Moskowitz (eds.) - Ghostly by Gaslight: Fearful Tales of a Lost Era
1972Peter Haining (ed.) - The Satanists
Steve Fisher - Saxon's Ghost
Jeremiah McMahon - Devil's Channel
J. Tondriau & R. Villeneuve - Devils & Demons: A Dictionary Of Demonology (non-fiction)
1974Michael Avallone - Boris Karloff Presents
Tales of the Frightened1975R. Chetwynd-Hayes - The Unbidden
R. Chetwynd-Hayes - Cold Terror
Robert Lory - Boris Karloff Presents More
Tales of the Frightened Robert F. Moss - Karloff And Company: The Horror Film (non-fiction)
Maggie Gould - The Dowry
1976Peter Haining - An Illustrated History of Witchcraft (non-fiction)
Gail Kimberly - Dracula Began
R. Chetwynd-Hayes - Terror By Night
Rita Lakin - Demon Of The Night
1977Penelope Field - Someone Is Watching
Robert K. Davidson - Great Monsters Of The Movies (non-fiction)
Pawn Of Evil & The Witches Of Omen covers by Jeff Jones Another top US imprint. As with all the best publishing houses they hitched a lift on every bandwagon that came along so plenty of SF, crime, westerns, JD, Nazi's, Sword & Sorcery, etc. Huge runs of Sax Rohmer and Harlan Ellison. I've thrown in some non-fiction and interesting oddities, but the vast majority of these titles are proper horror, pure and simple. as ever, please feel free to flesh it out.