1965 Bantam Lehr Dickson

1964 Ballantine Abbett Farmer

Penguin Griffiths Wyndham

1974 Arrow Foss Blish

1964 Berkley Powers Leinster

1972 Ace Meltzer Sturgeon

1978 Berkley Powers Leiber

1977 Ace Punchatz Silverberg

Robert Silverberg - Next Stop the Stars, a photo by citizen3xx24j on Flickr.

1953 Ballantine Powers Clarke

Ballantine 33, originally uploaded by uk vintage.

Arrow Brunner

The Sheep Look Up / John Brunner, originally uploaded by Sharaz Jek.

1961 Ballantine Powers Aldiss

Untitled, originally uploaded by alittleblackegg.

1967 Ace Gaughan Norton

The X Factor, originally uploaded by McClaverty.

1980 Del Rey Simak

The Visitor - Clifford D. Simak, originally uploaded by Cadwalader Ringgold.

1963 Four Square Pohl

Untitled, originally uploaded by alittleblackegg.

1968 French Bradbury

Ray Bradbury: Chroniques martiennes, originally uploaded by alexisorloff.

1955 Ace Valigursky Van Vogt

Untitled, originally uploaded by alittleblackegg.

1961 Ballantine Powers Anderson

1976 NEL Jones Heinlein

Starman Jones by Robert Heinlein. NEL 1976. Cover artist Pauline Jones, originally uploaded by pulpcrush.

1963 Ace Gaughan Dick

The Game-Players of Titan (Philip K. Dick), originally uploaded by martinprine.

1961 Dutch Doeve Wyndham

Prisma 594 _ 1961, originally uploaded by uk vintage.

1962 Dutch Doeve

Science Fiction Verhalen (Prisma 1962), originally uploaded by horzel.

1965 Dutch Doeve Asimov

Isaac Asimov - Spionage in de Ruimte (Het Spectrum 1965), originally uploaded by horzel.

1975 DAW Gaughan Dickson

R-Masters - Gordon R. Dickson - cover artist Jack Gaughan - reviewed, originally uploaded by Cadwalader Ringgold.

Tower Williamson

Jack Williamson - The Not-Men, originally uploaded by citizen3xx24j.

1961 Crest Wyndham

John Wyndham / The Day Of The Triffids, originally uploaded by micky the pixel.

1961 Ace Emshwiller Bulmer

Beyond the Silver Sky (1961), originally uploaded by admiral.ironbombs.

1978 Sphere McKie Dick Zelazny

Philip K Dick & Roger Zelazny - Deus Irae, originally uploaded by citizen3xx24j.