Past, Present, And Future
- Prometheus Books (Recueil de nouvelles), 1987, 374 pages

Pebble In The Sky
- Bantam (Roman), Aug-57, 200 pages
- Ballantine/Del Rey (Roman), Nov-83, 231 pages
- Robert Bentley, Inc. (Roman), 1982, 223 pages
- Bantam/Spectra (Roman), Jan-92, 308 pages
- Doubleday (Roman), 1950, 223 pages
- Doubleday (Roman), 223 pages
- Doubleday (Roman), 1990, 223 pages
- Fawcett Crest (Roman), Jun-71, 191 pages
- Fawcett Crest (Roman), 1978, 191 pages
- Bantam/Pathfinder (Roman), Oct-64, 200 pages

Penguin Science Fiction
- (Anthologie), 1974 de Brian W. Aldiss
- (Anthologie), 1961 de Brian W. Aldiss

Photosynthesis
- Basic Books, 1969, 193 pages

Physical Science Today
- CRM Books, 1973, 637 pages

Piloted Space Flights
- Gareth Stevens, Inc., 1989, 32 pages

Planets For Man
- Random House, 1964, 242 pages

Please Explain
- Dell, 1976, 238 pages
- Houghton Mifflin, 1973, 210 pages

Pluto : A Double Planet?
- Gareth Stevens, Inc., 1989, 32 pages

Political Science Fiction
- Prentice Hall (Anthologie), 1974 de Martin H. Greenberg

Possible Worlds of Science Fiction
- Vanguard (Anthologie), 1951 de Groff Conklin

Prelude To Foundation
- Doubleday (Roman), 1988, 403 pages
- Doubleday (Roman), 1988, 403 pages
- Bantam/Spectra (Roman), Oct-91, 434 pages
- Bantam/Spectra (Roman), Apr-89, 434 pages
- Easton Press (Roman), 1988, 403 pages

Projects In Astronomy
- Gareth Stevens, Inc., 1990, 32 pages

Prologue to Analog: Analog Science Fact and Science Fiction
- Doubleday (Anthologie), 1962 de John W. Campbell

Purr-fect Crime
- Lynx, 1989

Pursuits
- Scott Foresman & Co. (Anthologie), 1984 de Olive Stafford Niles & Jane Christensen & Ruth S. Cohen

Puzzles Of The Black Widowers
- Doubleday (Recueil de nouvelles ASIMOV seulement), 1990, 253 pages

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