- Retaliation (Bonfire Chronicles Book Three)
- Retaliation Consequences
- Retaliator's Blues
- Retention
- Rethana's Surrender
- Rethana's Trial
- Reticence: Custard Protocol
- Retief
- Retief of the Red-Tape Mountain
- Retief: Aide Memoire
- Retief: Diplomat-at-Arms
- Retief: Mightiest Qorn
- Retief: Saline Solution
- Retief: The Desert and the Stars
- Retief: The Governor of Glave
- Retief: The Madman from Earth
- Retief: The Star-Sent Knaves
- Retired Vampire Mysteries, Books 1, 2, 3
- Retired?
- Retirement: A Short Story
- Retiring the Blue
- Reton
- Retour (Les Chroniques de l’Invasion, Tome 4): Un Thriller de Science-fiction
- Retour au mont Deathfire
- Retour sur Belzagor T1
- Retour sur Belzagor T2
- Retour à l'Âge de pierre (Cycle de Pellucidar n° 5)
- Retour à Woodbury (The Walking Dead, Tome 8)
- Retra – Insel der Schatten
- RETRACE: Battles Trilogy, Book 3
- Retrato de mi madre con perros
- Retrato de uma Starter
- Retread Shop
- Retreat 3: Stirb lachend!
- Retreat and Adapt
- Retreat Hell
- RETREAT: Battles Trilogy, Book 1
- Retribuição
- Retribute
- Retribution (Undisclosed Trilogy, Book 2)
- Retribution of the Rangers
- Retribution, A Weather Casters' Story
- Retribution: Chasing Hearts and Minds
- Retribution: Urban Legend
- Retrieval Artist: Anniversary Day Saga Boxed Set Books 1-8
- RETRIEVE: Battles Trilogy, Book 2
- Retro Neon Super Life
- Retro Version
- RETRO VIRION
- Retrospect
- Retrospection
- Retrowave 2067: A Virtual Reality Adventure
- Retroworld #1 : The Ways Of Almagiel
- Retroworld #2 : The Hydras of Argolide
- Rett sted til feil tid
- Rettet die Salter!
- Rettung
- Rettung für seinen Omega
- Rettung für Sol?
- Rettungskreuzer Ikarus 1 - 10: Die Feuertaufe (und 9 weitere Romane)
- Rettungskreuzer Ikarus 11 - 20: Verschollen im Nexoversum (und 9 weitere Romane)
- Rettungskreuzer Ikarus 67: Sturm über Toruk
- Rettungskreuzer Ikarus 69: Clanhändler-Codex
- Rettungskreuzer Ikarus 72: Business Case
- Rettungskreuzer Ikarus 73: Exogenesis
- Rettungskreuzer Ikarus 76: Die Mission Direxdominatar
- Rettungskreuzer Ikarus 77: Dreißig Minuten
- Rettungskreuzer Ikarus 78: Die Seelenlosen
- Rettungskreuzer Ikarus 79: Der Boomium-Plan
- Rettungskreuzer Ikarus 80: An den Horizont
- Rettungskreuzer Ikarus 81: Kein Weg zu weit
- Rettungskreuzer Ikarus 82: Kein Schmerz zu tief
- Rettungskreuzer Ikarus 83: Kein Schrei zu laut
- Return
- Return (Book 3 of the Matt Turner Series)
- Return (The Invasion Chronicles—Book Four): A Science Fiction Thriller
- Return and Other Stories Based on the Novel Arianna's Tale
- Return Engagement
- Return Flight
- Return from the Apocalypse
- Return From the Immortal Realm
- Return from the Inferno
- Return Like a Goddess
- Return Man
- Return Me
- Return of God
- Return of Halley’S Comet
- Return of Sky Ghost
- Return of Souls
- Return of the Alliance
- Return of the Anasazi
- Return of The Ancient Ones: A Science Fiction Dragon Novella
- Return of the Assassin
- Return of the Black King
- Return of the Cientifico
- Return of the Convict
- Return Of The Crimson Guard
- Return of the Crown
- Return of the Damned
- Return of the Demi-Gods
- Return of the Djinn
- Return Of The Djinn (The Iphigenia Black series #4)
- Return of the Dragons (Omnibus)
- Return of the Elves... War
- Return of the Encala
- Return of the Flutterbee
- Return of the Fontalo
- Return of the God Ship
- Return of the Guardians
- Return of the High Protector: Part II of The High Duties of Pacia
- Return of the Highlander
- Return of the Interfacers
- Return of the Jedi: Star Wars: Episode VI
- Return of the King
- Return of the Legend
- Return of the Living Proof
- Return of the Lost
- Return of the Luminous One
- Return of the Mage Lords (Amica Saga #6)
- Return of the Magus