- Then There Were Five
- Then You Can See the Sky
- Then You Were Gone
- Theo and a Horse Named Rocket
- Theo and Morpheus' Medallion
- Theo Bentley's War of 1812
- Theo y el festival de sombras
- Theobold the Iron-Hearted
- Theodoor Huizig
- Theodora Twist
- Theodore Boone
- Theodore Boone: Kid Lawyer
- Theodore Boone: The Abduction
- Theodore Boone: The Accomplice
- Theodore Boone: The Accused
- Theodore Boone: The Activist
- Theodore Boone: The Collection (Books 1-3)
- Theodore Boone: The Fugitive
- Theodore Boone: The Scandal
- Theodore Pharris Saves the Universe
- Theodore Roosevelt
- Theodore Roosevelt for Kids
- Theologico-Political Treatise — Part 3
- Theology and Philosophy for Common Entrance 13+
- Theology for Young Christians
- Theology Philosophy and Religion 13+ Exam Practice Questions and Answers
- The Theory of Everything
- Theory Of Gaia: The Flora And Fauna Of The Planet Operate In A Self-Regulating Web
- The Theory of Hospitality and Catering Thirteenth Edition
- The Theory of Hospitality and Catering, 14th Edition
- Theory of Knowledge for the IB Diploma Fourth Edition
- Theory of Knowledge for the IB Diploma: Skills for Success Second Edition
- Theory of Knowledge for the IB Diploma: Teaching for Success
- Theotocópuli. Bajo la sombra del Greco
- Thera - Sternentochter
- There are Angels Everywhere
- There Are Ghosts On Eaglesham Moor
- There are Monsters Under My Bed
- There Are No Wrong Answers
- There Are Seven Houses on My Street
- There Be Demons
- There Be Goblins In The Wood!
- There Can Only Be Blood
- There Is An Elephant In My Wardrobe
- There Is Good in My Hood
- There Is Hope
- There Is No Fear
- There Is No Long Distance Now
- There is One of Everything in the World
- There Is Something Special About Ja'avontae's Sister!
- There May Be a Castle
- There Must Be Elephants In Heaven
- There Once Was a Kid Who...
- There Was a Boy
- There Will Be Wolves
- There Will Come a Darkness
- There You'll Find Me
- There's a Bat in Bunk Five
- There's a Bear in My Kitchen
- There's a Boy in the Girls' Bathroom
- There's a Bug in My Bed
- There's a Cow in My Back Seat
- There's a Dinosaur in My Backyard
- There's a Dragon in My Garage
- There's a Dinosaur in My Backyard
- There's a Dragon in My Garage
- There's a Dragon in the Tunnel
- There's a Hippo in My Bathtub
- There's A Hole In The Continuum, Dear Liza, Dear Liza
- There's A House Inside My Mummy
- There's A Mole In My Garden
- There's A Monkey
- There's a Monster in My Closet . . . But I Can't Tell
- There's a Puppy in My Bedroom
- There's a Rabbit in My Backpack
- There's a Spaceship in My Tree!
- There's Always Forever
- There's an Alien in My Backpack
- There's No Love Like a Mommy's Love
- There's No WiFi on the Prairie
- There's Nothing Anyone Can Do Today to Make Me Happy
- There's Something About Nik
- There's Something about Sweetie
- There's Something About Sweetie
- There's Something In Granny's Garden!
- There's Something Out There
- Therese - Das Mädchen, das mit Krokodilen spielte
- Therese Raquin
- There’s a Buzz in the Bush
- There’S a Donkey in the Toilet
- There’s a Goat on My Head
- There’s a Smudge of Fudge on the Judge, Lincoln Mccarthy!
- There’S a Snoreasaurus Under the Bed
- There’S No One Like You
- These Deadly Games