- Jackfish Crow's
- Jackie Jones Sees The Path Uncoil
- Jackie's Boy
- Jackpack City
- Jackrabbit
- Jackrabbit: Big in Japan
- Jacks and Queens at the Green Mill
- Jacks Are Wild: An Out of Time Novel
- Jacks Company
- JackSimile and the Phantom Fury
- Jaclyn the Ripper
- Jaco Tours
- Jacob
- Jacob Jones
- Jacob Lane
- Jacob Wesley and the Darklights
- Jacob's Bridge
- Jacob's Log
- Jacob's Room
- Jacobus A Eunuch's Faith
- Jacqueline & Other Stories
- Jacquelyn and the Sparkly Emo Vampire Goat
- Jadde – The Fragile Sanctuary
- Jadde: The Fragile Sanctuary
- Jade :The Second Son
- Jade City
- Jade Claws
- Jade Darcy and the Affair of Honor
- Jade Dawn Legacy of the Dragon
- Jade Empire
- Jade Fire Gold
- Jade Lamia Chimera's Lay (book 2)
- Jade Legacy
- Jade Man's Skin
- Jade Mountain
- Jade Sky
- Jade Spider
- Jade Spider
- Jade War
- Jade's Choice
- Jaded Feelings
- Jaded Nightmares
- Jaded: The SilentWhisperer
- Jaden & Jasmine
- Jaden Fire
- Jadeträne
- Jadis chez aujourd'hui
- Jadowity Miecz
- Jael's Beginning
- Jaemon
- Jaemon T1
- Jaemon T2
- Jaemon T3
- Jaemon T4
- Jaffery
- Jag
- Jagd auf die POINT OF
- Jagd auf seinen Omega
- Jaget som flyr
- Jagged Remains
- Jagged Remains (The Keeper Chronicles, Book 4)
- Jaggens & Ruins: Arb Collection: Volume 1
- Jaghatai Khan: Warhawk of Chogoris
- Jago's Journey: A Gryphon's Walkabout
- Jagters van Zarsjata
- Jaguar at the Portal
- Jaguar IV
- Jaguar Rising
- Jaguar Sun (Jaguar Sun Series Book 1)
- Jaguin's Love
- Jai
- Jailbait Zombie
- Jailmates
- Jain Zar: Der Sturm Der stille
- Jain Zar: La tempête du silence
- Jain Zar: The Storm of Silence
- Jak Barley Private Inquisitor, and the Case of the Annoying Assassins
- Jak Barley, Private Inquisitor and the Case of One Damned Thing After Another
- Jak Barley, Private Inquisitor and the Case of the Dark Lords Conspiracy
- Jak Barley, Private Inquisitor, and the Case of the Cursed Golden Muskrat
- Jak Barley-Private Inquisitor Series
- Jak Dziad Borowy ze zbójami urządzał popas. Zmagania z Dusiołem (polskie fantasy)
- Jak lvové
- Jak zatrzymać czas
- Jake "X" (2) One Way Ticket
- Jake & Chearice: Lightspeed
- Jake And Goili: SmallPowers Book Four
- Jake and the Treasure of Solomon Lake
- Jake Bonner!
- Jake e la storia di Dhera
- Jake Fenton and the Deranged Berserker
- Jake Fenton and the Stone of Tears
- Jake Foster e il segreto della lanterna
- Jake Thomas and the Book of Destiny
- Jake with His Trouble
- Jake's Cave
- Jake's Dragon
- Jake's Fortune
- Jake's Last Mission
- Jake's Law
- Jake’s Fantastic Journey
- Jakob und das Glück
- Jakob Wolff - Chastels Geheimnis
- Jakob Wolff - Der Alchemist
- Jakob Wolff - Der Fluch
- Jakob Wolff - Die Teufelshand
- Jakob Wolff - Die Täuschung
- Jakob Wolff - Düsteres London
- Jakob Wolff - Raubkunstjäger