- Frankenstein, King of the Zombies!
- Frankenstein; or, The Modern Prometheus
- Frankissstein
- Franklin in Paradise
- Fratello della nave
- Fraternity
- Frauen für Oban-Obana
- Freak of Nature
- Freaks
- Freddie and Ivan Go Ice Skating Together
- Frederik Pohl Super Pack
- Free Delivery at the End of the World
- Free Live Free
- Free Radical
- Free Radicals
- Free Souls
- Free Space
- Free-Wrench
- Free-Wrench Collection: Volume 1
- Freebooter Foundation
- Freed Aliens
- Freedom (TM)
- Freedom Express
- Freedom Flight
- FREEDOM Legends
- Freedom Reigns: The Complete Series
- Freedom Vs. Aliens
- Freedom's Challenge
- Freedom's Children
- Freedom's Choice
- Freedom's Freehold
- Freedom's Horizon
- Freedom's Landing
- Freedom's Law
- Freedom's Prisoners
- Freedom's Ransom
- FreeFall
- Freefall: Team Prism
- Freeheads
- Freehold, Second Edition
- Freehold: Defiance
- Freehold: Resistance
- Freeker
- Freelance (Star Minds Lone Wolves)
- Freelancing
- Freenet
- Freiheit ohne Schranken
- Frek and the Elixir
- Fremd. Das Ende einer Reise
- Fremde Welten
- Fremder in einer fremden Welt
- Fremtidsspejl
- Fresh Air Fiend and three more stories
- Fresh Galaxy
- Freshman 15
- Freya Snow - The Beginning: Books 1-6
- Friday
- Friend and Ally (The Saga of Nichole 5, Part One)
- Friend Island
- Friendly Fire
- Friendly Invasion
- Friends
- Friends Come in Boxes
- Friends For Robots
- Friends in Need (Broken Soldier book 6)
- Friendship. Evidencias de un Contacto Extraterrestre
- Frigid Fracas
- Fritz Leiber Super Pack #1
- Frock Coat Dreams
- From a Barren Seed Grown
- From a Certain Point of View (Star Wars)
- From a Certain Point of View: The Empire Strikes Back (Star Wars)
- From a Changeling Star
- From a Summer Sky
- From an Amber Block (Cryptofiction Classics - Weird Tales of Strange Creatures)
- From Below to Above
- From an Amber Block (Cryptofiction Classics - Weird Tales of Strange Creatures)
- From Below to Above
- From Chaos Born (In Her Name, Book 7)
- From Hell: Alex Hunter 8
- From Here To Atlantis
- From Here to Timbuktu
- From Robots to Foundations
- From Ruins
- From Sawdust to Stardust
- From the Ashes
- From the Dark
- From the Darkness and the Depths (Cryptofiction Classics - Weird Tales of Strange Creatures)
- From the Earth to the Moon
- FROM THE EARTH TO THE MOON & Its Sequel, Around the Moon
- From the Earth to the Moon (Phoenix Classics)
- From the Earth to the Moon + Around the Moon: 2 Unabridged Science Fiction Classics
- From the Earth to the Moon and Around the Moon
- From the Earth to the Moon and Round the Moon
- From the Earth to the Moon; and, Round the Moon
- From the Inside
- From The One
- From The Window
- From The Wreck
- From Time To Time
- Frontier
- Frontier Stars: Fatal Signal
- Frontiersmen
- Frontiersmen: Blutfehde auf Alvarado
- Frontiersmen: Civil War
- Frontiersmen: Civil War 1
- Frontiersmen: Civil War 2
- Frontiersmen: Civil War 3
- Frontiersmen: Civil War 4
- Frontiersmen: Civil War 5
- Frontiersmen: Civil War 6
- Frontière barbare
- Frontline