Prelude to Space
Robert W. Haseltine
The Power and the Glory
Charles Willard Diffin
Postmark Ganymede
Robert Silverberg
Police Your Planet
Lester Del Rey
Polaris
H. P. Lovecraft
The Poisoned Pen
Arthur B. Reeve
Craig Kennedy (1)
The Poison Belt
Arthur Conan Doyle
Professor Challenger (2)
The Point of View
Stanley G. Weinbaum
Professor Manderpootz (1)
Pleasant Journey
Richard Thieme
The Planet Strappers
Raymond Z. Gallun
The Planet Savers
Marion Zimmer Bradley
Darkover (17)
Planet of the Damned
Harry Harrison
Brion Brandd (1)
Planet of Dreams
James McKimmey, Jr.
A Planet for Texans
H. Beam Piper & John J. McGuire
Ace Double (299)
Plague Ship
Andre Norton
Solar Queen (2)
The Pirates of Zan
Murray Leinster