- Ideal Insurgent
- Ideando libertad
- Idegen istenek
- Identity
- Ideology 4109
- Idle Days on the Yann
- Idol
- Idolon
- Idoru
- Idyllian
- Idylls of a Lazurai
- Idylls of a Lazurai Anthology
- Időgép menetrend szerint
- If
- If Dragon's Mass Eve Be Cold and Clear
- If I Never Get Back
- If Living Is Seeing I'm Holding My Breath
- If Not for the Fall
- If Not Us
- If Wishes Were Spaceships
- If You Take My Meaning
- If You Want Peace
- If, Then
- Ifria Fallen
- Ihr Cyborg-Biest
- Ihr Gefährte und Meister
- Ihr perfektes Match
- Ihre Partner die Viken
- Ihre skrupellosen Partner
- Ikaeu Princess
- Ikke med et brag
- Ilium
- Ilión
- Illiya: Taylor Neeran Chronicles #1
- Illuminati Lizards From Outer Space
- Illusion
- Illusion of Victory (The Serenity Saga Book 2)
- Illustrated Dodge Twist and a Tobacconist
- Im Dienst der Föderation
- Im Griff ihrer Partner
- Im Netz der Spinnen
- Im neuen Jahr wird alles anders
- Im Paarungsfieber
- Im Reich der Homunkuliden
- Im Reich der Homunkuliden (Science-Fiction-Klassiker)
- Imaginarium
- Imaginary Epics from the Cosmos
- Imaginary Lover: Uncommon Synths
- Imagining Apocalyptic Politics in the Anthropocene
- Imagining Liberty: Volume 1
- Immersione profonda
- Imminent Dawn
- Immondizia disumana
- Immortal 88
- Immortal and the Madman
- Immortal Architects
- Immortal at the Edge of the World
- Immortal Clay
- Immortal Hearts
- Immortal Machinations: Arc of Transformation
- Immortal Ops
- Immortal Sky
- Immortal Wake: Complete Series Box Set
- Immortalis
- Immortalis : Resurrection War
- Immortals in The Everything
- Immortel Amour
- Voyager 1: The Homecoming
- Immunity Cage
- Immunity Index
- Impact
- Impact
- Impact Shroud
- Impact Velocity
- Impact Warning
- Imperative
- Imperial Citizen
- Imperial Echoes
- Imperial Governess
- Imperial Guard
- Imperial Imperilment
- Imperial Masquerade
- Imperial Night
- Imperial Subversion
- Imperial Sunset
- Imperial Twilight
- Imperium der Erde: Chronik der Sternenkrieger Extra Roman
- Imperium der Foronen: Raumschiff Rubikon Band 9-16: Science Fiction Abenteuer Paket
- Imperium Heirs
- Import Quarantine
- Impossible
- Impossible Paradise
- Imposters
- Improbable Events
- Improbables: a Satire About Very Large Numbers
- Impávido
- Iménez
- IN 2121
- In a Bright Glass
- In a Cat's Eye
- In a Flash
- In A Flash 2016