- In the Land of White Death
- In the Land of Wilderness
- In the Lands of the Christians
- In the Lands of the Enchanted Moorish Maiden
- In the Lena Delta
- In The Levant: Twenty Fifth Impression
- In the Line of Duty
- In the Line of Fire - Peacekeeping in the Golan Heights
- In the Lion's Court
- In The Lion's Court
- In the Lion's Den
- In the Memory House
- In the Midst of a Revolution
- In the Midst of Alarms
- In the Midst of Civilized Europe
- In the Midst of Events
- In the Mind's Eye
- In the Morning We Played Quartet
- In the Name of Necessity
- In the Name of the Child
- In the Name of the Father
- In the Name of the Son
- In the New World
- In the Northern Mists; A Grand Fleet Chaplain’s Note Book [Illustrated Edition]
- In the Pacific from Points Unknown
- In the Path of Allah
- In the Permanent Way and Other Stories
- In the Power of the Government
- In the Power of the Government
- In the President's Secret Service
- In the Ranks
- In the Ranks of the C. I. V. - A Narrative and Diary of Personal Experiences with the C. I. V. Batte...
- In the Ranks of the C.I.V.
- In The Ranks: From the Wilderness to Appomattox Court House / The War, as Seen and Experienced by a ...
- In the Realm of a Dying Emperor
- In the Realm of Nachan Kan
- In the Realms of Gold
- In the Red Corner
- IN THE REIGN OF TERROR
- In the Rose Garden of the Martyrs
- In The Royal Naval Air Service
- In the Ruins of Empire
- In the Russian Ranks: A Soldier's Account of the Fighting in Poland
- In the Sanctity of the Snake Pit
- In The Secret Place
- In The Service Of God and Evil
- In the Service of God and Evil
- In the Shade of the Fire
- In the Shadow of Arnhem
- In the Shadow of Bears Ears
- In the Shadow of Empires
- In the Shadow of History
- In the Shadow of Hitler
- In the Shadow of Infamy
- In the Shadow of Nelson
- In the Shadow of Powers
- In the Shadow of Statues
- In the Shadow of the Empress
- In the Shadow of the Rising Dragon
- In The Shadow of the San Francisco Peaks
- In the Shadow of the Swastika
- In the Shadow of the Sword
- In the Shadow of the United States Capitol
- In the Shadow of Vesuvius
- In the Shadow of Vietnam
- In the Shadow of Wrath
- In the Shadows
- In The Shadows of Glories Past
- In the Shadows of the Holocaust and Communism
- In the Shelter of the Pine
- In the South Seas
- In The South Seas
- In the South Seas
- In The Spirit Of Our Ancestors
- In the Thick of the Fight
- In the Tideway
- In The Time Of The Americans
- In the Trenches with Jesus and Marx
- In the Twilight of Revolution
- In The Valley Of The Shadow: The Story Of David Jones And Jane Mccrea
- In the Wake of Cook
- In the Wake of Empire