- I'm Not Ehrynn Rose
- I'm Not Scared
- I'm Not the Man I Thought I Was
- I'm Not the Man I Was
- I'm Not Your Empress
- I'm Still Here!
- I'm the Vampire, That's Why
- I'm the Villainess, So I'm Taming the Final Boss, Vol. 1 (light novel)
- I'm the Villainess, So I'm Taming the Final Boss, Vol. 2 (light novel)
- I'm Working On That
- I'M. Infinita come lo spazio
- I've Been a Gipsying
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 1
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 10
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 11
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 2
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 3
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 4
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 5
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 6
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 7
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 8
- I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 9
- I've Been Thinking; Or, the Secret of Success
- I, Aleppo
- I, Alexandrina
- I, Alien Hunter (Liquid Cool, Book 5)
- I, Asimov: Galactic Words of Isaac Asimov
- I, Christella
- I, Creator Of The Universe
- I, Creator on Terrania
- I, Cunningham
- I, Dracula
- I, Dragon
- I, Drive: Primeblades
- I, Hobot: An Anthology of Robot Love Stories
- I, Human
- I, Human Part Eight: Metropolis: A City In Sixty Days
- I, Human Part Five: The Malevolence of Evil
- I, Human Part Four: The Invisible Spectrum of Light
- I, Human Part Nine: Do You Take This Android To Be Your Companion?
- I, Human Part One: The New Renaissance
- I, Human Part Seven: The Cosmic Corridors
- I, Human Part: Six Infinite Worlds
- I, Human Part Three: The Orbs of Sapentia
- I, Human Part Two: An Android's Soul
- I, Human Part X: The Whores of Wreath
- I, Immortal
- I, Immortal the Series, Book 2, World In Flames
- I, Immortal the Series, Book 2, World In Flames
- I, Immortal the Series, Book 3, Fire and Ice
- I, Jessica
- I, Jinks
- I, Mason of Terrania
- I, Messiah
- I, Minion (The Minion Chronicles, #1)
- I, Mordecai's Story
- I, Morgana
- I, Nemo
- I, Robot
- I, Sci Fi Fan
- I, Sexbot
- I, Soddit
- I, Spaceman
- I, Strahd: Memoirs of a Vampire
- I, Target (Part 1)
- I, Target (Part 2)
- I, Target (Part 3)
- I, Target (Part 4)
- I, Target (Part 5)
- I, Target (The Complete Series)
- I, the Storm
- I, the Unspeakable
- I, Tim: Memoirs of a Cook on a Moon-Sized Planet-Vaporizing Space Battlestation
- I, Trian
- I, Werewolf
- I, Zillionaire
- I, Zombie
- I,Q
- I-O [Input-Output]
- I`M Sorry I Can't Answer That Question
- IA*
- IA: Union
- Iadore & Ilove
- Iagia Tactics
- Iago Matsumoto 1.0
- Iago Wick and the Vampire Queen
- Ian und der Stein der Götter
- Ian's Gang IV (Ian's Gang Anthology)
- Ian's Gang: A New Hope
- Ian's Gang: A Winter's Tale
- Ian's Gang: All Dead Now
- Ian's Gang: Black Wednesday
- Ian's Gang: Bloody Friday
- Ian's Gang: Brotherly Love
- Ian's Gang: Colony
- Ian's Gang: Conflict of Interests
- Ian's Gang: Conspiracy Theory
- Ian's Gang: Damned
- Ian's Gang: Day of the Mosquitoes
- Ian's Gang: Dominoes
- Ian's Gang: Doublecross
- Ian's Gang: Dream Holiday
- Ian's Gang: Fall of the Gods
- Ian's Gang: Grip of the Spider
- Ian's Gang: Hate and Fear
- Ian's Gang: Heaven's Gate
- Ian's Gang: Hell On Earth
- Ian's Gang: Honour Thy Father
- Ian's Gang: House of Cards
- Ian's Gang: Identity
- Ian's Gang: Morton Clavell
- Ian's Gang: Mousetrap
- Ian's Gang: One Threw Up In The Cuckoo's Nest
- Ian's Gang: Original Sins
- Ian's Gang: Pike Dreams
- Ian's Gang: Revenant
- Ian's Gang: Sibling Rivalry
- Ian's Gang: Sideways
- Ian's Gang: Slaughter
- Ian's Gang: Something Evil
- Ian's Gang: Terror of the Ooze
- Ian's Gang: That Child Of Mine
- Ian's Gang: The Animal Lover
- Ian's Gang: The Bad Ian
- Ian's Gang: The Complete Season 1
- Ian's Gang: The Complete Season 2
- Ian's Gang: The Dollhouse
- Ian's Gang: The End
- Ian's Gang: The End of the World
- Ian's Gang: The Enemy Within
- Ian's Gang: The Harvest
- Ian's Gang: The Nightmare Brigade
- Ian's Gang: The Operation
- Ian's Gang: The Orius Project
- Ian's Gang: The Scream Factor
- Ian's Gang: The Wedding
- Ian's Gang: War Zone
- Ian's Gang: Warped
- Ian's Gang: With My Little Eye
- Iani
- Ianos, Singularité nue
- Iapetus Shift
- Iarraindorn
- Ib and Little Christine