- Phantom from Space
- Phantom Planet
- Phantom Song
- Phantoms of Reality
- Pharaoh's Broker
- Pharaohs of the Sky
- Pharmakon
- Phase 6
- Phase Change (2180)
- Phase Drive
- Phases of the Moon
- PhaseShift
- PhaseShift Two: Crossover
- PhaseShift: Shifting Worlds
- Phasma (Star Wars)
- Phazer
- Philip K Dick is Dead, Alas
- Phoenix - Cygnus 5: Book Three
- Phoenix Dawn and the Rise of the Witch
- Phoenix Hatching
- Phoenix in Flames
- Phoenix in Obsidian
- Phoenix Island
- Phoenix Odyssey Book 1 (Battle Beyond Earth)
- Phoenix Prime
- Phoenix Project
- Phoenix Rising
- Phoenix Solution
- Phoenix Triumphant
- Phosphor
- Phthor
- Phylogenesis
- Physics With Metaphysics
- Phœnix
- Pia and the Skyman
- Pianeti dimenticati
- Pick Your Planet
- Pickers
- Picking Up Plans in Palma
- Pickle Panda Finds Love in the Time of Robot Bees
- Pickle Pie
- Pickle Pie: A Cyberpink Story
- Picoverse
- Pictures at 11
- Pie De Cereza
- Pieces of the Dark Eight
- Piercing the Elastic Limit - an Epic Fable (2015 new edition)
- Piercing the Void
- Pikëll Paj
- Pilgrim
- Pilgrims' Project
- Pillar's Shadow
- Pilot Error
- Piloti e Nobiltà
- Pilton's Moon / Vengeance is Mine
- Pin (Metatron's Army, Book 8)
- Pinball Tour
- Pink Water
- Pinkers
- Pinned Butterflies
- Pioneer
- Pioneers an Expedition to Mars
- Pioneers and Unifiers
- Pioneers of the Stars
- Pioneers on Unium
- Piper in the Woods
- Pirate
- Pirate Bound
- Pirate Cadet Kids
- Pirate Consort
- Pirate Festival
- Pirate Nemesis
- Pirate Queen:Book of the Navigator
- Pirate Throne
- Pirate Utopia
- Pirate War
- Pirates from Gnorlon
- Pirates of the Asteroids
- Pirates of the Galactic Empire: Gone Rogue
- Pirates of the Storm: Stranded In Time Book 1
- Pirates of the Thunder
- Pirates of the Timestream
- Pirates of Venus
- Pisces Miranti: Intergalactic Pizza Delivery Dude, Philosopher Poet
- Pit Stop
- Pitch Out
- Piteraq Dusk
- Pity's Prelude
- Pixie
- Più o meno
- Pk
- Places Unknown
- Pk
- Places Unknown
- Plague 1.4
- Plague of Memory
- Plague of Mybyncia
- Plague of Pythons
- Plague of the Living Dead
- Plague Ship
- Plague Wars Trilogy
- Plague Z: Escape - Vol. 1
- Plague Z: Last Hope - Vol. 3
- Plague Z: Trapped - Vol. 4
- Plaguesville, USA
- Plains of Exodus
- Planes, Cars and Stars
- Planeshifters
- Planet Amazon the Rebirth Part 1
- Planet Amazon the Rebirth Part 2
- Planet Apocalypse
- Planet Chromatica
- Planet Crisis
- Planet der Eissegler & Angriffsziel Erde: Zwei Science Fiction Abenteuer
- Planet der Saurier
- Planet der Wyyry - Chronik der Sternenkrieger #31
- Planet Eaters
- Planet Hustlers
- Planet Kalgar
- Planet Killers
- Planet Mafia
- Planet Nordak
- Planet of Boulders
- Planet of Death
- Planet of Destiny
- Planet of Dread
- Planet of Gods: Book 1 of Enigma
- Planet of Mystery
- Planet of No Return
- Planet of Peril
- Planet of Riches
- Planet of Riches Trilogy (Contains: Planet Secrets, Planet Mafia, and Planet of Riches)
- Planet Of Short Aliens
- Planet of the Damned
- Planet of the Molers (Starship Perilous Adventure #3)
- Planet of the Remaining
- Planet of the Warlord