- IntersectionAllies
- Intersexion
- Interstellar
- Intertwined: A Biker's Tale
- Intervention
- Interview with a Wizard
- Intervista col vampiro
- InterWorld
- Interworld
- InterWorld 2-Book Collection
- Intimidantes
- Inting: Or, How A North American Esports Team Tried To Win Worlds
- Into The Glen: Into The Light
- Into A Heart Of Darkness
- Into Darkness
- Into Exile
- Into Madness
- Into the Abyss (short story)
- Into the Backcountry
- Into the Big, Big World
- Into the Bright Unknown
- Into the Cave
- Into the Dangerous World
- Into the darkness
- Into the Dying Light
- Into the East Trilogy
- Into the Enchanted Forest
- Into the Fae
- Into the Fairy Forest
- Into the Firestorm: A Novel of San Francisco, 1906
- Into the Flames
- Into The Fog
- Into the Forest of Strom
- Into the Garden
- Into the Great Wonderful
- Into the Grey
- Into the Kingdom
- Into the Land of Nede
- Into the Mix #4
- Into the Night
- Into The Night
- Into the Nightfell Wood
- Into the No-Zone
- Into the Parallel
- Into The Pink
- Into the Rainbow
- Into the Real
- Into the Shadows
- Into the Spiral (The Spiral Defenders Series: Book One)
- Into The Still Blue
- Into the Still Blue
- Into the Tall, Tall Grass
- Into the Trap
- Into the Unreal
- Into The Web
- Into the White Box Set: Books 1 - 3
- Into the Wild
- Into the Wildlands
- Into The Wind
- Into Thin Air
- Intocable
- Intorno alla Luna
- Intoxia Warriors
- Intrigue
- Intrigue at the Grand Opera
- Intrigue In The House of Wong
- Intrigues botaniques à la cour du Roi-Soleil
- Introducing . . . Sasha Abramowitz
- Introducing Aku & Kamu
- Introducing Niamh
- Introducing Shirley Braverman
- Introspectives
- Intrusion (Reflections Volume 4)
- Intégrale - L'Autre
- Intégrale de la série Néon Dream