- I'm a Murderer: the series
- I'm a Romance Scam IT Detective(Edition 2)
- I'm Black And You're Not
- I'm Dead?
- I'm Dreaming of A...
- I'm Dying As Fast As I Can
- I'm Gonna Cut Your Ears Off
- I'm In Debt to Akiko
- I'm Just a Poor Conductor
- I'm Not for Sale
- I'm Not Happy Till You're Not Happy
- I'm Not Okay
- I'm Not Scared
- I'm Not Your Eve!
- I'm Sal the Soft Boiled Mobster
- I'm Shiva
- I'm So Hacked
- I'm Terrified of Clowns, Dolls, Ghosts and Lots of Other Things.
- I'm Thinking of Ending Things
- I'm Travelling Alone
- I'm Trying to Reach You
- I'm Watching You
- I'm Watching You (The Chicago Series Book 2)
- I've Also Got Your Front, Hailey
- I've Been Here Before
- I've Been Watching You
- I've Got My Eyes on You
- I've Heard the Mermaid Sing
- I, Alien Hunter (Liquid Cool, Book 5)
- I, Crime Writer
- I, Detective
- I, Executioner
- I, Hunter
- I, Jane
- I, Jessica
- I, of Limited Mercy: A Maxine Kordell Novel
- I, Philibert Q. Winslow
- I, Richard
- I, Ripper
- I, ROBOT Inc.
- I, Said the Spy
- I, Sniper
- I, Spy - 6 Espionage & Detective Books in One Edition
- I, Survivor
- I, The Hero
- I, The Jury
- I, the Jury
- I, Werewolf
- I-40, Wire to Wire
- I-94 Murders
- I.D.
- I.N.F.E.R.N.O.: HELL STARTS ON EARTH
- I.O.U. Murder
- I.V.
- I.Williams
- Iacobus
- Iacobus. Une enquête du moine-soldat Galcerán de Born
- Ian Fleming: Series Reading Order - with Summaries & Checklist
- Ian's Gang: All Dead Now
- Ian's Gang: An Instinct For Murder
- Ian's Gang: Army
- Ian's Gang: Blood Ties
- Ian's Gang: Conspiracy Theory
- Ian's Gang: Dominoes
- Ian's Gang: Doublecross
- Ian's Gang: Dream Holiday
- Ian's Gang: Gang Warfare
- Ian's Gang: Hate and Fear
- Ian's Gang: Homecoming
- Ian's Gang: House of Cards
- Ian's Gang: Loyalty
- Ian's Gang: Now and Then
- Ian's Gang: On The Line
- Ian's Gang: Original Sins
- Ian's Gang: On The Line
- Ian's Gang: Original Sins
- Ian's Gang: Revenant
- Ian's Gang: The Tell-Tale Heartbeat
- Ian's Gang: War Zone
- Ian's Gang: With My Little Eye
- Ian's Revenge
- Ianua
- Iar dimineaţa vor veni ruşii
- Ibeles Feuer
- Iberische Hitze
- Iberische Hitze & Iberische Schatten
- Iberische Schatten
- Ibland enkelt, ibland helt obegripligt
- Iblis
- IBR
- Icarus - Im Rausch der Macht
- Icarus Fall
- Ice and Fire
- Ice Angel
- Ice Bed
- Ice Blonde
- Ice Breakers
- Ice Bunny Detectives
- Ice Cap
- Ice Cold
- Ice Cold Blood
- Ice Cold Heart
- Ice Cold Pimpin'
- Ice Cool
- Ice Cream Corpse
- Ice Dancer
- Ice Fire
- Ice Flight
- Ice for the Eskimo
- Ice Hunt