- In The Beginning
- In the Belly of the Beast
- In the Blood
- In the Blue Pike (Complete)
- In the Café of Lost Youth
- In the Carquinez Woods
- In the City of Gold and Silver
- In the Clutch of the War-God
- In the Company of Fools
- In the Company of Heroes
- In the Company of Like-Minded Women
- In the Company of Secrets (Postcards From Pullman Book #1)
- In The Company Of The Courtesan
- In the Country of the Young
- In the Court of Kemet
- In the Court of King Arthur
- In the Dark
- In The Dark
- In the Day of Adversity
- In the Days of Drake
- In the Days of Alfred the Great
- In the Days of Drake
- In the Days of Lachoneus
- In the Days of My Youth: A Novel
- In the Days of Poor Richard
- In the Days of the Comet
- In the Days of Washington: A Story of The American Revolution
- In the Days of William the Conqueror
- In the Den of the English Lion
- In The Dragon's Wake
- In The Duke's Arms
- In the Eastern Seas
- In The End Is My Beginning
- In The Eye of The Beholder
- In the Eye of the Beholder
- In the Eye of the Storm
- In The Eye of The Storm: A Novel of the Phantom of the Opera
- In the Face of the Sun
- In the Falcon's Claw
- In the Fall
- In the Fire of the Forge
- In the Fire of the Forge — Complete
- In the Fire of the Forge: A Romance of Old Nuremberg (Complete)
- In the First Circle
- In the Flash Ranging Service: Observations of an American Soldier During His Service With the A.E.F....
- In the Fog
- In the Garden of Beasts
- In the Garden of Papa Santuzzu
- In the Garden of Papa Santuzzu
- In The Garden Room
- In the Garden...
- In the Guardianship of God
- In the Hands of the Cave-Dwellers
- In the Hands of the Malays and Other Stories
- In the Heart of Africa
- In the Heart of the Highlander
- In the Heart of the Rockies
- In The Heart of the Rockies a Story of Adventure In Colorado
- In the Heart of the Rockies: A Story of Adventure in Colorado
- In the Himalayan Nights
- In the House of Iput
- In The House of Secrets and Lies
- In the Irish Brigade
- In the Irish Brigade: A Tale of War in Flanders and Spain
- In The July Sun
- In the King's Name
- In the Kingdom of Men
- In the Land of Dreams
- In the Lion's Den
- In The Lion's Sign
- In the Matter of Nikola Tesla
- In the Midst of Alarms
- In The Midst of Madness
- In the Midst of Winter
- In the Mind of H. P. Lovecraft
- In the Mirror
- In The Moonlight
- In the Morning Sun
- In the Mountains
- In the Name of the King
- In the Night I Dreamed of You - Poems of Love, Dreams, & Death
- In the Night of Time
- In the Onyx Lobby
- In the Palace of the King
- In the Palace of the King: A Love Story of Old Madrid
- In the Path of Hurricanes
- In the Permanent Way and Other Stories
- In the Presence of My Enemies
- In the Quarter
- In the Realm of Yang
- In the Reign of Terror
- IN THE REIGN OF TERROR
- In the Reign of Terror
- In The Reign of Terror The Adventures of a Westminster Boy
- In the Reign of Terror: The Adventures of a Westminster Boy
- In the Rocky Mountains
- In the Rocky Mountains: A Tale of Adventure
- In The Saddle
- In the Season of the Sun
- In the Seven Woods - Being Poems Chiefly of the Irish Heroic Age
- In the Shadow of Alabama
- In the Shadow of Death
- In the Shadow of Dragons
- In The Shadow of Lady Jane
- In the Shadow of Light
- In the Shadow of Love (Shadow Series Book 2)
- In The Shadow Of Mr. Lincoln
- In the Shadow of Nuremberg
- In the Shadow of Sin
- In The Shadow of the Alamo: Short Story Collection
- In the Shadow of the Big Yellow Mama: The Spud Gristwall Story
- In the Shadow of the Moon
- In the Shadow of the Mountain
- In the Shadow of the Past: (Shadow Series Book 1)
- In the Shadow of the Pyramid
- In the Shadow of the Red Star
- In The Shadow Of The Roman Empire
- In the Shadow of the Sun King
- In the Shadow of the White Rose
- In the Shadow of the Yali
- In The Shadow Of Two Gods
- In the Shadow of Vesuvius
- In the Shadow of Wolves
- In the Shadow of World Literature
- In The Skies
- In the Suds
- In the Temple of Mehyt
- In the Tenth House
- In the Tideway
- In The Time Of Famine
- In the Time of Love
- In the Time of the Americans
- In the Trenches
- In the Tules
- In The Vale
- In the Valley
- In the Valley of Hope: Faith Conquers Fear
- In The Waiting Room Of Forgiveness
- In the Wake of the Empress of China
- In the Wars of the Roses
- In the Wars of the Roses: A Story for the Young
- In the Way of the Barbarian