Ace Taine

The Greatest Adventure, originally uploaded by Paula Wirth.

1972 DAW Gaughan Stableford

The Halcyon Drift, originally uploaded by cowfish.

1970 Ace Walotsky Merril

England Swings SF, originally uploaded by protytwo.

1973 DAW Di Fate Franke

The Orchid Cage, originally uploaded by protytwo.

1977 DAW Pepper Strugatsky

Monday Begins on Saturday, originally uploaded by protytwo.

1977 DAW Gaughan Wollheim

The Best from the Rest of the World, originally uploaded by protytwo.

1976 DAW Kresek Strugatsky

The Final Circle of Paradise, originally uploaded by protytwo.

1972 DAW Kirby Klein

The Day Before Tomorrow, originally uploaded by protytwo.

Belmont Howard

6 and the Silent Scream, originally uploaded by Paula Wirth.

Panther Bester

The Demolished Man, originally uploaded by Paula Wirth.

1974 Sphere Hjortsberg

Gray Matters, originally uploaded by Martin Isaac.

1978 Panther Hoerle Huxley

Brave New World, originally uploaded by Martin Isaac.

1968 Four Square Kirby Asimov

Through a Glass, Clearly, originally uploaded by Martin Isaac.

Avon Christopher Favourite

vintage paperback--the little people, originally uploaded by richardzx.

Avon Christopher Favourite

vintage paperback--the little people--back cover, originally uploaded by richardzx.

1978 Popular Library Ellis Spinrad

vintage paperback--Agents of Chaos, originally uploaded by richardzx.

Ace Gaughan Hamilton

The Weapon from Beyond, originally uploaded by Martin Isaac.

1970 Pan Hill

Window on the Future, originally uploaded by Martin Isaac.

Corgi Matheson

It's impossible..., originally uploaded by /Sizemore/.

Corgi Stewart

End of the world, originally uploaded by /Sizemore/.

Corgi Hoyle Elliot

A novel of tomorrow, originally uploaded by /Sizemore/.

Belmont Jones

The Alien, originally uploaded by retrosapien.

Pyramid Collins

Tomorrow and Tomorrow, originally uploaded by retrosapien.

1972 Signet Pepper Asimov

The Moons of Jupiter, originally uploaded by retrosapien.

1972 Signet Pepper Asimov

The Oceans of Venus, originally uploaded by retrosapien.

Avon Merritt

Face in the Abyss, originally uploaded by retrosapien.

1971 Signet Pepper Asimov

Space Ranger, originally uploaded by retrosapien.

Signet Clarke

The City and the Stars, originally uploaded by retrosapien.

Paperback Wylie Balmer

After Worlds Collide, originally uploaded by retrosapien.

1970 Avon Crowley Blish

Vor, originally uploaded by retrosapien.

Dell Berk

The Sun Grows Cold, originally uploaded by retrosapien.

1966 Avon Punchatz Asimov

Foundation, originally uploaded by retrosapien.

Berkley Lem

Solaris, originally uploaded by retrosapien.

Fawcett Berkey Asimov

I, Robot, originally uploaded by retrosapien.

Signet Pepper Asimov

the big sun of mercury, originally uploaded by retrosapien.

Signet Pepper Asimov

the rings of saturn, originally uploaded by retrosapien.

1960 Panther Van Vogt

Slan, originally uploaded by Martin Isaac.

1973 Fawcett Lehr Asimov

Nine Tomorrows, originally uploaded by retrosapien.

Winterbotham Favourite

The Red Planet, originally uploaded by retrosapien.

Fawcett Lehr Hamilton

City at World's End, originally uploaded by retrosapien.

1954 Bantam Binger Vonnegut

bantam A1262, originally uploaded by Kyle Katz.

1961 Ace Frazetta Burroughs

ace F-206, originally uploaded by Kyle Katz.

1962 Bantam Hooks Bone

bantam J2363, originally uploaded by Kyle Katz.

1966 Dell Zitzewitz Pangborn

dell 9442, originally uploaded by Kyle Katz.

1966 Berkley Zitzewitz Brown

berkley X1503, originally uploaded by Kyle Katz.

1963 Monarch Mayan Smith

monarch 388, originally uploaded by Kyle Katz.

1967 Ballantine Maine

ballantine U6092, originally uploaded by Kyle Katz.

1970 Ace Karel Thole Fast

ace 27910, originally uploaded by Kyle Katz.

1971 Dell Vonnegut

dell 8029, originally uploaded by Kyle Katz.

1963 Berkley Powers Anderson

berkley medallion F743, originally uploaded by Kyle Katz.