- The Trials of Koli
- The Trials of Monty Perdi
- The Trials of Nahda ~ Sinclair V-Log PA884/R
- The Trial
- Tribe
- Tribe 5 Girl
- The Tribe: (R)Evolution - Deutschsprachige Ausgabe
- The Tribe: Ein Neuanfang
- The Tribe
- The Tribulations of Kharman
- The Tribulations of Tompa Lee
- Tricentennial
- Trick of the Tail
- Trifariam, El Códice Perdido
- Trifecta
- Triggers
- The Trigger
- Trigor
- Trilby
- The Trilisk AI
- The Trilisk Hunt
- The Trilisk Revolution
- The Trilisk Ruins
- The Trilisk Supersedure
- The Trillionist
- Trilogia dei Mondi Esterni
- Trilogie des Rescapés (Tomes 1-3)
- Trilogy of Tales
- Trilogy of the One GOD
- The Trilogy of Tompa Lee
- Trilogy of Dhana and the Earth. Book one. End of the world
- Trilogía de la Fundación
- Trilogía de los Tres Cuerpos
- Trilogía Sabina Salva el Futuro
- The Trimedian
- Trinary Code
- Trinascimento
- The Trinibeings' Daughters
- Trinity
- Trinity Paradox
- Trinity: La Saga de l’Ascension Coffret
- Trinity: Ascension Saga: Books 1, 2 & 3
- Trinity: Ascension-Saga: Bücher 1-3
- Trinity: The Battle for Nevaeh, the Epic Sci-Fi Fantasy of Earth's Future
- Trip Hazard
- Trip of a Lifetime
- Trip the Math Fantastic
- Trip Walk
- Triplanetary
- Triplanetary
- The Triple Wedding
- Triple Zero
- Triplet
- Tripping the Tale Fantastic: Weird Fiction by Deaf and Hard of Hearing Writers
- Trips
- Trips to the Moon
- Trips: The Collected Stories of Robert Silverberg, Volume Four
- Triptych
- TRISKENYA
- TriSol
- Tristan
- Tristan and Arianne
- The Tristar Series
- Tritium Blaze
- Tritium Gambit
- Tritonium
- The Tritonus Venture
- Triumph in the Ashes
- Triumph of the Spirit
- The Triumph of Tompa Lee
- Triumph's Ashes
- Triumph's Ashes
- Triumphant
- The Triumphant's Return
- The Triumphs of A Taxidermist
- The Triune Man
- The Trivial Thing
- Trois secondes
- Trok
- Troll Hub
- Trollguld
- TROLLI Rediscovered
- Trope-ing the Light Fantastic: The Science Behind the Fiction
- Trophy
- Trophy: Decision
- Trophy: Rescue
- Tropic of Creation
- Tropic of Labrador
- Troppo perfetto
- THE TROSASIAN FIRE
- Troubadour
- Trouble at the Space Station
- Trouble in the Orion Spur
- Trouble in the Triangulum Galaxy
- Trouble Magnet
- Trouble With A Glass Heart
- The Trouble with Telstar
- The Trouble with Truth
- Troubled Streets
- Troubled Times - Time Troubles: Choose the Way Short Story
- The Troublemakers
- The Troubleshooter: New Haven Saga Omnibus
- Troubleshooters: The Longest Joke Ever Told
- Trovador
- The Trowler, Troll and Trouble
- Troy Mavros e i conquistatori di mondi - L'ultimo namidiano
- The Troyuan Chronicles...Book 2
- The Troyuan Chronicles...Book 3
- Troyuan Chronicles...Book 4
- The Troyuan Chronicles...Book 5
- Troyuan Chronicles...Book Six
- The Troyuan Chronicles...
- TRSF
- The Truce at Bakura: Star Wars
- Truck of the Inter-dimensional Bounty Hunters' Guild Local 137 and the Super Satanic Spork Strippers
- Trucksong
- Trudie Lem: Spaceship Captain, Earth Detective
- The True Adventures of Hector Kingsley
- True Colors
- True Dark
- The True Faith
- The True Guardian
- True Hope
- True Names and the Opening of the Cyberspace Frontier
- Truitt's Fix
- Truly Organic
- Trumps of Doom
- Trune
- The Trunk
- Trust
- The Trust
- The Truth About Pyecraft
- The Truth About Terra
- The Truth and Other Stories
- The Truth Beyond the Sky
- The Truth Machine
- The Truth of the Matter (Starship Perilous Adventure #6)
- Truth Quest
- Truth Revealed
- Truth Seeker
- Truthers: The New Roswell
- Trylogia księżycowa
- The Trystero Collection: Books 1-3
- The Trysting Place: A Farce in One Act
- Trzecie stadium ewolucji
- Trägerin des Lichts - Verzeihen
- Träume Digitaler Schläfer
- Três meses no século 81
- Três Segundos
- Tsar Wars: Agents of ISIS, Book 1