ACE DOUBLE: BEYOND THE SILVER SKY + MEETING AT INFINITY

Ace Double paperback, 1961. Cover by Ed Emshwiller.

Ace Double paperback. Cover by John Schoenherr.

ACE DOUBLE: THE ATLANTIC ABOMINATION + THE MARTIAN MISSILE

Ace Double paperback, 1960. Cover by Ed Emshwiller.

Ace Double paperback, 1960. Cover by Ed Valigursky.

THE TOWERS OF UTOPIA

Bantam books, 1975. Cover by Bruce Pennington.

BOW DOWN TO NUL

Ace paperback, 1966. Cover by Jack Gaughan.

FIRST LENSMAN

Pyramid books, 1964. Cover by Jack Gaughan.

GOD EMPEROR OF DUNE

Putnam books hardback, 1981. Cover by Brad Holland.

THE BOOK OF POUL ANDERSON

DAW paperback, 1975. Cover by Jack Gaughan.

THE WHOLE MAN

Ballantine books, 1964. Cover art uncredited.

HIGH VACUUM

Ballantine books paperback, 1957. Cover by Richard Powers.

A FUNERAL FOR THE EYES OF FIRE

Ballantine books paperback, 1975. Cover by Gene Szafran.

TRIPLANETARY

Pyramid Books paperback, 1968. Cover by Jack Gaughan.

AMAZING STORIES, OCTOBER 1940

Cover painting by Leo Morey.

AMAZING STORIES, MAY 1952

Cover painting by Lawrence Stevens.

FUTURE SCIENCE FICTION, SEPTEMBER 1952

Cover artwork by Peter Poulton.

FUTURE COMBINED WITH SCIENCE FICTION STORIES, MAY 1951

Cover artwork by Leo Morey.