- PhaseShift: Shifting Worlds
- Phasma (Star Wars)
- Phazer
- Philip goes to Tommy Land
- Philip K. Dick Super Pack
- Phoenix - Cygnus 5: Book Three
- Phoenix Afterlife
- Phoenix Dawn and the Rise of the Witch
- Phoenix Hatching
- Phoenix in Flames
- Phoenix Island
- Phoenix Odyssey Book 1 (Battle Beyond Earth)
- Phoenix Project
- Phoenix Rising
- Phoenix Solution
- Phoenix Triumphant
- Phosphor
- Photophantastes
- Phthor
- Phylogenesis
- Phylogeny
- Physics and the human heart
- Physics in Daily Life & Simple College Physics-II (Electricity and Magnetism)
- Physics With Metaphysics
- Phœnix
- Pia and the Skyman
- Pianeta Paradiso
- Pianeti dimenticati
- Piccoli consigli utili in caso di invasione aliena
- 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
- Picnic On Nearside
- Pictures Don't Lie
- Pie De Cereza
- Piece of Mind
- Pieces of a Universe: Introduction to The Five Intergalactic Civilizations
- Pieces of the Dark Eight
- Pieces of Us from the Earth
- Piecework
- Piercing the Elastic Limit - an Epic Fable (2015 new edition)
- Piercing the Void
- Pigmossium
- Pikëll Paj
- Pilgerfahrt zur Erde
- Pilgrim
- Pilgrimage
- Pilgrims
- Pilgrims' Project
- Pillar of Fire
- Pillar's Shadow
- Pillole gastroresistenti
- Piloo Technology
- Pilot Error
- Pilot to the Director
- Piloti e Nobiltà
- Pilton's Moon / Vengeance is Mine
- Pin (Metatron's Army, Book 8)
- Pinball Tour
- Ping Pong
- Pink Water
- Pinkers
- Pinkie Promise
- Pinky Promises
- Pinned Butterflies
- Pioneer
- Pioneer 1990
- Pioneers an Expedition to Mars
- Pioneers and Unifiers
- Pioneers of the Stars
- Pioneers on Unium
- Pipe of Peace
- 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 Caribbean: The Price of Freedom
- Pirates of the Galactic Empire: Gone Rogue
- Pirates of the Multiverse
- Pirates of the Storm: Stranded In Time Book 1
- Pirates of the Multiverse
- Pirates of the Storm: Stranded In Time Book 1
- Pirates of the Timestream
- Pirating Christmas
- Pisces Miranti: Intergalactic Pizza Delivery Dude, Philosopher Poet
- Piss Match and Other Stories
- Pit Stop
- Pitch Out
- Piter - Metro 2033 Universe
- Piteraq Dusk
- Pity's Prelude
- Pixel Juice
- Pixie
- Più o meno
- Pk
- Placer
- Places in the Darkness
- Places Unknown
- Placid Point
- Placidia y los destructores de mundos
- Plague 1.4
- Plague Birds
- Plague of Memory
- Plague of Mybyncia
- Plague of Pythons
- Plague of the Living Dead
- Plague Wars Trilogy
- Plague Z: Escape - Vol. 1
- Plague Z: Last Hope - Vol. 3
- Plague Z: The Complete Collection
- Plague Z: Trapped - Vol. 4
- Plague Z: Unseen - Vol. 2
- Plagued: The Ironville Zombie Quarantine Retraction Experiment
- The Midamerica Zombie Half-Breed Experiment
- Plagued: The Rock Island Zombie Counteractant Experiment
- Plaguesville, USA
- Plain Text
- Plains of Exodus
- Planes, Cars and Stars
- Planeshifters
- Planet 2
- Planet Alt-Sete-Nine: The Lost Princess
- Planet Amazon the Rebirth Part 1
- Planet Amazon the Rebirth Part 2
- Planet Apocalypse