- Harboring Kintah
- Hard Bargain
- Hard Burn
- Hard Changes
- Hard Contact
- Hard Landing
- Hard Merchandise: Star Wars (The Bounty Hunter Wars)
- Hard Reboot
- Hard Strike
- Hard Time
- Hard Wired
- Hardfought
- Hardshellz
- Hardware
- Hardwired
- Hare-um Scare-um
- Harm's Way
- Harmonics: Rise of the Magician
- Harmonics: The Jadian Sun
- Harmony
- Harmony's Passing
- Harrow the Ninth
- Harrow's Gate
- Harry Harrison Super Pack
- Harry Says
- Harry's Detour
- HARTbreak
- Hartmann the Anarchist
- Haru Y Nilsa: Guerra Multiversal
- Harvest of Change
- Harvest of Stars
- Harvest Ship
- Harvest the Fire
- Harvesting Ashwood
- Harvey
- Harvey Duckman Presents... Volume 1
- Hasea Chronicles Compilation (Books II, III, IV and 0)
- Haskel Van Manderpootz & Dixon Wells' Adventures
- Hat ébredés
- Hatchings
- Hatchlings
- Hathor Legacy Trilogy
- Hathor Legacy: Burn
- Hathor Legacy: Outcast
- Hathor Legacy: Revelations
- Hatos
- Hatred in the Ashes
- Haunted City
- Haunted House
- Haunted: A Collection of Weird Fiction
- Haunter Grey Origin
- Haunter Grey: Journey
- Haunter Grey: Outliers
- Haunter Grey: Upheaval Boxed Set: Includes Origin and Journey
- Have Mech, Will Travel
- Have Wormhole, Will Travel
- Have You Seen My Cat?
- Have You Seen My Cat? And Other Stories
- Have You Tried the Mountain?
- Haven
- Havenworld: Phase One Omnibus
- Having Nice Things
- Havoc
- Havoc Canyon
- Havoc Tales Volume 1 Terror Below
- Havraní chlapci
- Hawk Carse
- Hawk Carse In Space
- Hawksbill Station
- Hayu Tales: Shadan
- Haywire
- Hazardous Imaginings: The Mondo Book of Politically Incorrect Science Fiction
- Haze
- Haze and The Hammer of Darkness
- Held
- He has come back to me...
- He Must Go Walk the Woods So Wild
- He Walked By Night
- HE, Universal Bonds
- He/She/They: A Story of Alien Encounter
- Head On
- Head Shot
- Head Shots
- Head Space
- Head Trip
- Heading North
- Headlong
- Headlong Flight
- Heal-X
- Healer
- Healing Cil
- Healthy or Else
- Hear Me Roar
- Heart and Sol
- Heart Behind The Mask
- Heart Fortune
- Heart II
- Heart of Desire: 11.11.11 Redux
- Heart of Ezdar
- Heart of Fire Time of Ice
- Heart of Gold
- Heart of Granite
- Heart of Stone
- Heart Of The Machine
- Heart of the Stormblade
- Heart of the Valkyrie
- Heart of the World
- Heart of Veridon
- Heart-Beast
- Heart-Shaped Box
- Heartbreaker
- HeartCrystal
- Heartfelt Scoundrel
- Hearthfire
- Heartless
- Hearts and Minds
- Hearts and Swords
- Hearts of Oak
- Heartspark
- Heartstone: The Time Walker
- HeartStorm
- Heat Death
- Heat Seeker
- Heathern
- Heaven and Hell
- Heaven Below