- Inherent Truth
- Inherit the Bones
- Inherit the Wool
- Inherit the Word
- Inheritance of Secrets
- Inhumano (Doctora Kay Scarpetta 23)
- Initials Only
- Ink and Shadows
- Ink-Slinger Murder
- Inkubus
- Inlåst
- Inn Season
- Inn to the Darkness (Aspen Valley Inn Series, #2)
- Innan han dödar (En Mackenzie White-deckare — Bok 1)
- Innan han ser (En Mackenzie White-deckare – Bok 2)
- Innenhafen
- Inner City Blues: A Charlotte Justice Novel (Charlotte Justice Novels)
- Innocence Lost
- Innocence; or, Murder on Steep Street
- Innocent 'Til Proven Guilty
- Innocent Blood
- Innocent In Death
- Innocent Labor
- Innocent Mistakes
- Innocent Murderer
- Innvitation to Murder (Aspen Valley Inn Series, #3)
- Inocencia Fácil
- Inquiring Minds and Death
- Insatiable (A Sydney Rye Mystery, #3)
- Inselfeuer
- Inselmord & Backfischbrötchen
- Inselmord & Krabbencocktail
- INSIDE GLASS TOWERS
- Inside The Darkness
- Inside the Echo
- Insidious Intent
- Insomnia
- Inspector Specter
- Inspektor Takeda und das doppelte Spiel
- Inspektor Takeda und die Toten von Altona & Inspektor Takeda und der leise Tod
- Instrument of the Devil
- Intent to Harm
- Intent: Return of Evil
- Intentional Acts
- Interior Motives
- Interlude In Death
- Intermezzo: Family Matters
- Intermezzo: Household Matters
- Intermezzo: Spirit Matters
- Intermission
- INTERN
- International Incident
- Interno 74
- Interpretation of Murder
- Intersecting Parallels
- Intervention
- Interview with the Badge
- Interview With The Badge
- Into the Black - Clean Version
- Into the Dark
- Into the Deep
- Into The Fire
- Into the Heat (Sandy Reid Mystery Series #6)
- Into the Labyrinth
- Into the Mist
- Into the Night
- Into the Sweet Hereafter
- Into the Woods (Bookburners Season 3 Episode 10)
- Into Thin Air
- Into Thin Air: An Alexander Ranch Matter # 2
- Intrepid: The Mining Town Murders
- Intrigue at the Hall
- Intrigue in Capri
- Intrigue in Paradise
- Intrigued by an Ancient Pedigree
- Introducing Aunt Dimity, Paranormal Detective
- Introducing Gertrude, Gumshoe
- Invalid Evidence
- Invasion
- Invecchiato per il Caos (Un Giallo Intimo tra i Vigneti della Toscana—Libro 3)
- Invecchiato per la Malizia (Un Giallo Intimo tra i Vigneti della Toscana—Libro 7)
- Invecchiato per la Morte (Un Giallo Intimo tra i Vigneti della Toscana—Libro 2)
- Invecchiato per l’acredine (Un Giallo Intimo tra i Vigneti della Toscana—Libro 6)
- Invecchiato per un Omicidio (Un Giallo Intimo tra i Vigneti della Toscana—Libro 1)
- Investigating Women
- Invisible (An Ivy Malone Mystery Book #1)
- Invisible City
- Invisible Murder
- Invisible Sister
- Invitation Only Murder
- Invitation to a Murder
- Invitation to Agony (The Killing Game--Book 3)
- Invitation To Die (The Killing Game—Book #1)
- Invitation to Madness (The Killing Game—Book 2)
- Invite Me In
- Inviting Fire (A Sydney Rye Mystery, #6)
- Irische Totenwache
- Irisches Roulette
- Irish Car Bomb
- Irish Chain
- Irish Cream
- Irish Crystal
- Irish Lace
- Irish Legacy
- Irish Linen
- Irish Love
- Irish Parade Murder
- Irish Stew!
- Irish Stewed
- Irish Tiger
- Irish Tweed
- Irmã de Sangue
- Iron Goddess: A Shea Stevens Thriller
- Iron Orchid
- Iron Sinking
- IROP: Irregular Operating Procedures
- Irrational Justice - a quick page-turner
- Irrefutable Evidence
- Irreparable Harm
- Irretrievably Broken
- Irrevocable Trust
- Is Murder by Candlestick Still a Thing?
- Isabel Puddles Investigates
- Isabella Mumphrey Adventure Box Set
- Isabella's Painting
- Isande kyla
- Island Charms
- Island Magic
- Island of Last Resorts
- Island of the Sequined Love Nun
- Island Quest
- Island Storms
- Isle Of Dogs
- Isola Mortale
- Isolated
- Ispettore Fux, sesso e distintivo
- Isäntyttö
- It All Comes Out in the Wash
- It All Falls Down
- It Begins in Betrayal
- IT Can Be Dangerous
- It Could Have Been Love
- It Happened One Fright
- It Happens in the Dark
- It Takes a Witch
- It's A Beautiful Day For Murder
- It's A Ghost's Life
- It's a Wonderful Knife
- It's a Wonderful Lie
- It's All Relative
- It's Beginning to Look a Lot Like Murder
- It's Beginning to Look A Lot Like Murder (Piper Ashwell Psychic P.I. Book 5.5)
- It's Just a Little Crush
- It's Just A Spleen and a High School Ring
- It's Never Obvious
- It's Not Me, It's You
- Italian Iced
- Italienische Intrigen
- Italy To Die For: From The Savino Sisters Mystery Series
- It’s Always the Little Things
- Ivory Ghosts
- I’Ll Be Damned