- First Fall
- First Fruits
- First Hand of the Night: A Collection of Five Early Stories
- First Human Empire
- First Interstellar
- First Kill
- First King of Shannara
- First Labradoodle on Mars
- First Legion
- First Light
- First Lights
- First Man
- First One There Dies
- First Ordinance Series
- First Person Familiar
- First Stage: Moon
- First Starman
- First Steps for a Hero
- First Strike
- First Stringers: Eyes That Do Not See
- First Team
- First there was Fear
- First Time Outside
- First to Fall: Mad Love and Broken Romance in Times to Come
- First Wave: Snow Day
- First, Impressions
- First-Person Singularities
- Fish Eats Lion: New Singaporean Speculative Fiction
- Fisherman's Hope
- Fissh, nella Coltre
- Fit For Treasons
- Fitting In
- Five Crimes Against Literature
- Five Days Dead
- Five Days of Grub
- Five Doses
- Five Epic Space Opera Novels: Feral Planet, Dome Of Slavery, Final Battle, In Search Of Kronos, Amir...
- Five Goofy Science Fiction Stories
- Five Miles Out Of Black Creek
- Five Moons: Nexus of Fates
- Five Moons: Revolution
- Five Moons: Zep Tepi
- Five More Dark Enchantments
- Five Steps Forward, Three Steps Back
- Five Stories Up
- Five Stories: Track One
- Five Strange Obsessions
- Five Tales from the Workshop at the End of the World with Kris 'n' Dean
- Five Tips for Abducting a Human Without Being Caught
- Five to Twelve
- Five Unicorn Flush
- Five Ways to Forgiveness
- Five Weeks in a Balloon (Phoenix Classics)
- Five Years for Heartache
- Five Zero Four
- Fix the Game
- Fix, Reset, and Reload
- Fixer
- Fixer Redux
- FLAC 7
- Flair
- Flame to Frost
- Flames and Freedom
- Flames of Avasten
- Flames of Rebellion
- Flames of War (Star Crusades: Mercenaries, Book 3)
- Flaming Arrow
- Flamingo Gambits (Ocean Untamed Prequel)
- Flamma Inferni
- Flammenzeit
- Flanel
- Flappers and Philosophers
- Flare
- Flare Shifter (Prequel Novella)
- Flash
- Flash Fiction Online
- Flash Fiction Online 2015 Anthology
- Flash Fiction Online December 2016
- Flash Fiction Online January 2017
- Flash Fun
- Flash in the Can
- Flash Point
- Flash Virus Omnibus
- Flash! Vol. 1
- Flash! Vol. 2
- Flash: The Haunting of Barry Allen
- FlashBack
- Flashback Twilight
- Flashes of Wisdom
- Flashing Dark
- Flashes of Wisdom
- Flashing Dark
- Flashover
- Flashy Shorts
- Flat Earth
- Flat Like Fred
- Flatlander
- Flatline
- Flee Markets
- Fleet 1
- Fleet 2
- Fleet Inquisitor
- Fleet Insurgent
- Fleet of Knives: An Embers of War novel
- Fleet of Stars
- Fleet of Worlds
- Fleet Renegade
- Fleet: A Transgender Sci Fi story
- Fleeting Alliances
- Flesh And Gold
- Fleshers
- Fleshworks
- Flexa vs. Doctor Maelstrom
- Flexible Survival
- Flicker
- Fliers of Antares [Dray Prescot #8]
- Flies from the Amber
- Flight
- Flight 1401 A Science Fiction Anthology
- Flight 3108
- Flight From Tomorrow
- Flight into Darkness
- Flight Into Space
- Flight of Madness
- Flight of Passage
- Flight of the 500
- Flight of the Blackbird
- Flight Of The Fused Monkeys
- Flight of the Gazebo
- Flight of the Maita Book 27: Fun and Games
- Flight of the Maita Book 28: What Now?
- Flight of the Maita Book 38: Or Maybe Not!
- Flight of the Maita Book 39: Do Tell!
- Flight of the Maita Book 40: Not Again!