- Trinity: The Battle for Nevaeh, the Epic Sci-Fi Fantasy of Earth's Future
- TRIP IN DIE HÖLLE (Z Burbia 2)
- Trip of a Lifetime
- Triplanetary
- Triplanetary (1934, serialized version)
- Triplanetary (1948, novel version)
- The Triple Stars Trilogy Box Set
- Triple Zero
- Triplet
- Tripleye
- Triplix
- Tripoint
- Trips
- The Triskelion
- Trisolit
- Triton
- The Tritonus Venture
- The Triumph of Time
- Triumph's Ashes
- Triumph's Ashes
- Triumphant
- The Triumphant's Return
- The Triumvirate's Consort
- Trois semaines plus tard Roman lesbien, livre lesbien
- Trojan Orbit
- The Troll King
- Trollbunden: Sagan om Isfolket 1
- Trolldom: Häxmästaren 1
- Trollkarlens märke: De svarta riddarna 4
- Trollmåne: Sagan om Isfolket 36
- Trono de Mundo Anillo
- Trop humains (Les Dossiers Thémis, Tome 3)
- Trop pour un seul homme
- Tropfen der Ewigkeit
- Trophy
- Trophy: Decision
- Trophy: Rescue
- Tropic of Creation
- The Tropic of Eternity
- Trotsa mig
- Troubadour
- Trouble Magnet
- Trouble on the Galactic Frontier
- Trouble on Titan
- The Trouble Twisters
- Trouble with Lichen
- Trouble with Lichen
- Trouble With Strawberries
- The Trouble with Time Travel
- The Trouble with Trimble
- The Trouble with Truth and The Fastest Gun Dead
- Trouble with Tycho
- The Troubled City
- Troubled Space: The Interstellar Adventures of an Unknown Indie Writer
- Troubled Times - Time Troubles: Choose the Way Short Story
- The Troublemakers
- The Troubleshooter: New Haven Saga Omnibus
- Troubling Stirrings In Sphere Court
- Trovador
- Troy Mavros e i conquistatori di mondi - L'ultimo namidiano
- Troy’s Possibilities: Nothing Is Straightforward When Anything Is Possible
- The Truce at Bakura: Star Wars
- TRUDGE - SCHLEICHENDER TOD
- True Colors
- True Endings
- True Names
- True Names and the Opening of the Cyberspace Frontier
- True Refuge (The Refuge Trilogy, #1)
- True Stories of the Civil War
- The true story of Gabriel Michael Santorum
- True Tenchi Muyo! (Light Novel) Vol. 1
- True Tenchi Muyo! (Light Novel) Vol. 2
- TRUEL1F3 (TRUELIFE)
- Trueno Rojo
- Trujillo and Other Stories
- Trullion: Alastor 2262
- Truly Organic
- Trump's Fatal Attraction
- Trumpet's Song
- Trumpets
- Trumps of Doom
- Trune
- The Trunk
- Trust and Treachery
- Trust Is a Fickle Business
- Trust/Doubt
- The Truth About Terra
- Truth and Fear
- The Truth and Other Stories
- Truth and Treachery, The Last War: Book Three
- The Truth Beyond the Sky
- The Truth Is Contagious
- Truth Metric (Fringe Space #1)
- The Truth of Honor
- Truth of the Divine
- The Truth of the Matter (Starship Perilous Adventure #6)
- Truthers: The New Roswell
- Truths, Half-Truths and Lies
- Try and Other Stories
- Try This
- The Trystero Collection: Books 1-3
- The Trysting Place: A Farce in One Act
- Trzy stygmaty Palmera Eldritcha
- Träume aus der Zukunft
- Träume Digitaler Schläfer
- Träume vom Wüstenplaneten
- Tsar Wars: Agents of ISIS, Book 1
- TT.61
- Tu ne tatoueras point
- The Tube Riders Complete Series Volumes 1-4
- Tuesday After Next
- Tuf utazásai
- Tuf Voyaging
- Tuf wędrowiec
- The Tugana Encounter
- The Tuloriad
- Tulsa
- Tumanako 1-5
- Tumbling Up
- Tumult auf Viken
- The Tunnel & The Tribe
- Tunnel In The Sky
- The Tunnel People
- Tunnel Through the Deeps
- The Tunnel Under The World
- The Tunnel
- Tuomiopäivän karavaani
- Turils Reise
- Turing & Burroughs
- The Turing Option
- Turing's Delirium
- Turismo de riesgo
- Turmoil
- The Turn of the Screw
- Turn The Page
- Turned