It is difficult to classify sf or fantasy and supernatural and one of these books falls into neither camp.
I can post books, assuming that I have remembered where I have put them. With 6647 paperbacks catalogued with about 15,000 to go it is not that easy to keep them in order.
Anthology – Asleep in Armageddon
Anthology – Atoms and Evil
Bradbury Ray – The Golden Apples of the Sun
Brunner John – Black is the Colour
Fanthorpe RL – Hyper Space
Hodgson WH – The House on the Border Land
Kline Otis Adelbert – The Swordman of Mars
Long Frank Belknap – Journey Into Darkness
McIntosh JT – Worlds Apart
Merak AJ – Barrier Unknown
Moorcock Michael – Elric of Melnibone
Muller John E – Space Void
Powers JL – Black Abyss
Reynolds Mack – Space Pioneer
Van Vogt A E – Two Hundred Million AD/The Book of Ptath
Van Vogt AE – Destination:Universe