- Harding's Luck
- Harding's School for Vampires
- Hardshellz
- Hardship
- Hardware
- Hardwired
- Hardwired
- Hare-um Scare-um
- Harem Master
- Harem of Fangs
- Harem of Magic
- Hark! The Herald Angel Screamed
- Harker Lives (Unfated, Book Five)
- Harlem's Deck (collated edition)
- Harlequin and Columbine
- Harlequin Horizon
- Harlequin Midnight
- Harley and the Alien
- Harley Firebird Files
- Harley House
- Harley-Awakening
- Harlita
- Harlow
- Harlowe Pilgrim's Oh My Words! 2014
- HARM
- Harm
- Harmonica & Gig
- Harmonica & Gig
- Harmonics: Revelations
- Harmonics: Rise of the Magician
- Harmonics: The Jadian Sun
- Harmonies of War: the Guide
- Harmonizer’s Evolution (Book four of the Balancer’s Soul cycle)
- Harmony (Dark Creature #2)
- Harmony (The Crystal Series)
- Harmony of Fire
- Harmony's Passing
- Harmony's Song
- Harmony's Way
- Harness the Stars
- Harold Into Chaos
- Harold the Imp
- Harper Jones
- Harper Jones - 1. Maldición
- Harper's War
- Harpie w Warszawie
- Harpun - Diario dei Mostrincubi
- Harpy
- Harpy Gumbo
- Harpy Redux
- Harpy Thyme
- Harpy's Desires
- Harpy's Escape
- Harpy's Freedom
- Harpy's Mission
- Harpy's Plea (Book Three of the Fey Files)
- Harpy’s Flight
- Harriet Hume
- Harriets Pride
- Harrington House
- Harriot and the secret of the rock
- Harris
- Harrow
- Harrow la Novena (Saga de la Tumba Sellada 2)
- Harrow the Ninth
- Harrow's Gate
- Harrowed Blade
- Harrowing the Dragon
- Harrowmore Souls (Band 1): Zimmer 111
- Harrowmore Souls (Band 2):
- Harrowmore Souls (Band 3): Brise No. 4
- Harrows Gate
- Harry and Me
- Harry and the Stock Tank Dragon
- Harry Harrison The Stainless Steel Rat Collection 6 Book:
- Harry Potter and the Chamber of Secrets (Enhanced Edition)
- Harry Potter and the Cursed Child - Parts One and Two
- Harry Potter and the Deathly Hallows (Enhanced Edition)
- Harry Potter and the Philosopher's Stone (Enhanced Edition)