- In The Enemy's Sights
- In the Event of My Death
- In the Evil Day
- In the Family
- In the Field of Mr. VI
- In The Flash
- In the Flesh
- In The Fog
- In the Fogs of London
- In the Frame
- In the Garden
- In the Garden of Spite
- In the Garden of the Fugitives
- In The Garden Room
- In the Gold of Time
- In the Grey
- In The Grip Of The Crime
- In the Grip of the Griffin: The Complete Battles of Gordon Manning & The Griffin, Volume 3
- In the Guise of Mercy
- In the Hands of Death
- In the Hands of the Unknown
- In the Heart of the Canyon
- In the Heat
- In the Heat of the Light
- In the Hour Before Midnight
- In the House in the Dark of the Woods
- In the House of Aryaman, a Lonely Signal Burns
- In The House Of Candy
- In the House of Dark Music
- In The House of Secrets and Lies
- In the House of the Devil
- In the House of the Wicked
- In the House on Lakeside Drive
- In the Hush of the Night
- In the Interest of Public Safety
- In the Key of 13
- In The Killer's Sights: Thriller
- In the Kingdom of Men
- In The Kingdom Of Mists
- In The Kitchen
- In the Kitchen with a Knife
- In the Land of Milk and Honey
- In the Land of the Lotus Eaters
- In the Last Analysis
- In the Lawman's Protection
- In The Lawman's Protection
- In the Library
- In the Light of Darkness
- In the Light of Day
- In the Light of Morning
- In the Line of Duty
- In The Line Of Duty
- In The Line Of Fire
- In the Line of Ire (Lexi Graves Mysteries, 13)
- In The Lion's Sign
- In the Manor with the Millionaire
- In The Market For Murder
- In the Matter of Two Men
- In the Mayor's Parlour
- In The Mayor’s Parlour
- In The Middle of Nowhere
- In the Middle of the Middle Kingdom
- In the Midnight Hour
- In The Midnight Howl
- In the Midst of a Predator: A Very Short Story
- In the Midst of Alarms
- In the Midst of Death
- In the Midst of Fire
- In the Midst of the Sea
- In the Midst of Tribulation
- In the Midst of Wolves
- In the Mists of Time
- In the Month of the Midnight Sun
- In The Moon of Red Ponies
- In the Moon's Shadow
- In the Name of a Killer
- In the Name of Evil
- In the Name of Glori (The Redemption Series, #3)
- In the Name of Honour
- In the Name of Islam
- In the Name of Peace
- In the Name of the Father
- In The Name Of The Mother
- In the Name of the Son
- In the Name of the Sun
- In the name of water
- In the Nib of Time
- In the Nicholas of Time
- In the Nick of Time
- In the Night In the Dark
- In the Night Room
- In the Night Season
- In the Night Room
- In the Night Season
- In The Noon Day Sun
- In The Onyx Lobby
- In the Onyx Lobby (Annotated)
- In the Pines
- In the Pit
- In the Pockets of Dreams
- In the Presence of Death
- In the Presence of My Enemies (An Emily O'Brien novel #5)
- In the Presence of the Enemy
- In The Prime of Death
- In The Protection Of
- In the Quarter
- In the Quick
- In the Rancher's Protection
- In The Rancher's Protection
- In the Real World
- In the Realm of All Possibilities
- In the Recesses
- In the Red Dragon's Shadow - Come the Jackals
- In the Red Line Train
- In the Rundown
- In The Season of The Damned
- In The Shadow
- In the Shadow of A King Volume 1
- In the Shadow of a Protest
- In the Shadow of Agatha Christie
- In the Shadow of Croft Towers
- In The Shadow of Darkness
- In the Shadow of El Paso
- In the Shadow of Ely Marsh
- In the Shadow of Evil
- In the Shadow of Falcon's Wings
- In the Shadow of Gotham
- In the Shadow of Honor
- In the Shadow of Idols
- In the Shadow of Lies
- In the Shadow of Men
- In the Shadow of Meth Valley
- In the Shadow of Porter's Hollow
- In the Shadow of Revenge
- In the Shadow of Shackleton Gray
- In the Shadow of the Arch
- In the Shadow of the Dark Planet