- Frankenstein, King of the Zombies!
- Franklin in Paradise
- Fratello della nave
- Fraternity
- Frauen für Oban-Obana
- Freak of Nature
- Freaks
- Freddie and Ivan Go Ice Skating Together
- Free Delivery at the End of the World
- Free Live Free
- Free Radicals
- Free Souls
- Free Space
- Free-Wrench
- Free-Wrench Collection: Volume 1
- Freed Aliens
- Freedom Express
- Freedom Flight
- FREEDOM Legends
- Freedom Reigns: The Complete Series
- Freedom Vs. Aliens
- Freedom's Children
- Freedom's Freehold
- Freedom's Horizon
- Freedom's Prisoners
- FreeFall
- Freefall: Team Prism
- Freeheads
- Freeker
- Freelance (Star Minds Lone Wolves)
- Freelance (Star Minds Lone Wolves)
- Freelancing
- Freenet
- Freiheit ohne Schranken
- Fremder
- Fremtidsspejl
- Fresh Galaxy
- Freshman 15
- Freya Snow - The Beginning: Books 1-6
- Friend and Ally (The Saga of Nichole 5, Part One)
- Friendly Fire
- Friends
- Friends For Robots
- Friends in Need (Broken Soldier book 6)
- Friendship. Evidencias de un Contacto Extraterrestre
- Frigid Fracas
- Frock Coat Dreams
- From a Barren Seed Grown
- From a Buick 8
- From a Certain Point of View
- From a Changeling Star
- From a Summer Sky
- From an Amber Block (Cryptofiction Classics - Weird Tales of Strange Creatures)
- From Below to Above
- From Chaos Born (In Her Name, Book 7)
- From Darkest Skies
- From Distant Stars
- From Divergent Suns
- From Hell: Alex Hunter 8
- From Here To Atlantis
- From Here to Timbuktu
- From Robots to Foundations
- From Ruins
- 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 & 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 Round the Moon
- From the Earth to the Moon; and, Round the Moon
- From the Inside
- From The One
- 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
- Frontline
- Frontline Defence: The Beginning
- Frontvonalak