GLADIATOR-AT-LAW

Ballantine Books, 1955. Cover by Richard Powers.

Rear cover.

THE MIND FROM OUTER SPACE

Curtis Books, 1972. Cover artist is uncredited.

THE ESCAPE ORBIT

Ace books, 1965. Cover by Jack Gaughan.

DREAM LORDS / LORD OF NIGHTMARES

Zebra Books, 1975. Cover artist is uncredited.

ALTERNATING CURRENTS

Ballantine paperback, 1956. Cover by Richard M. Powers.

TILTANGLE

Ballantine paperback, 1970. Cover artwork by John Berkey.

PARADOX LOST

Berkley Medallion paperback, 1974. Cover artwork by Vincent Di Fate.

MARUNE: ALASTOR 933

DAW paperback, 1981. Cover artwork by David Mattingly.

MYTH-MASTER

Dell paperback, 1973. Cover artwork by Robert R. Foster.

CEMETERY WORLD

Berkley Medallion paperback, 1974. Cover artwork by Vincent Di Fate.

MIRROR IMAGE

DAW paperback, 1972. Cover artwork by Kelly Freas.

HUNTER OF WORLDS

DAW paperback, 1977. Cover artwork by John Berkey.

THE FADED SUN: KESRITH

DAW paperback, 1978. Cover artwork by Gino D'Achille.

TRULLION - ALASTOR 2262

Ballantine paperback, 1973. Cover artwork by Gene Szafran.

FANTASTIC STORY MAGAZINE WINTER 1952

Fantastic Story magazine, winter 1952. Cover artist uncredited.

SPACE PLAGUE (HIGHWAYS IN HIDING)

Avon paperback, 1957. Cover artwork by Richard M. Powers.

THE BIRD OF TIME

Ace paperback, 1961. Cover artwork by John Schoenherr.

Rear cover, synopsis, etc.