- The Theodore's Great Adventure
- Theodore’s Great Zoo Safari
- Theodosia and the Last Pharaoh
- Theo’s Ocean Discovery
- There Are Dinosaurs in My House
- There Are No Bears in This Bakery
- There Are No Fireflies In Montana!
- There Are No Wrong Answers
- There I Am
- There Is a Dragon Under My Door
- There Is a Monster in My Toilet Bowl
- There Is A Monster On My Holiday Who Farts (Fart Monster and Friends)
- There is a Monster Under My Bed Who Farts (Fart Monster and Friends)
- There Is a Monster Under My Christmas Tree Who Farts (Fart Monster and Friends)
- There Is a Tribe of Kids
- There Is No Other You!
- There Once Was a Penny
- There Once Was a River Stone
- There Was a Tree
- There Was an Old Dragon Who Swallowed a Knight
- There Was an Old Dragon Who Swallowed a Knight: Read & Listen Edition
- There Was An Old T Rex Who Swallowed A Shoe
- There Was an Old Woman Who Lived in a Book
- There Was an Old Woman Who Lived in a Shoe
- There's a Baby Animal...
- There's a Baby Animal... Animal Rhyming Books For Children
- There's a Baby In My Mommy!
- There's a Baddie Running Through this Book
- There's a Bat in Bunk Five
- There's a Bear in the Bathroom
- There's A Boy In My Closet!
- There's a Brand-New Baby at Our House and...I'm the Big Sister!
- There's a Cheetah in My Boat...
- There's a Cow In the Kitchen
- There's a Dragon in My Closet
- There's a Dragon in My Sleeping Bag
- There's a Fighter in My Room
- There's A Fly In My Soup
- There's a Frog in my Tummy.
- There's a Hole in the Log on the Bottom of the Lake
- There's a Lion in the Forest!
- There's a Monster in the Wall!
- There's a Monster Under My Bed
- There's a Monster Under My Bed
- There's A Monster Under My Bed (UK Edition)
- There's a Nightmare in My Closet
- There's a Pig in my Pantry
- There's a Princess in Me
- There's a Raccoon in my Room!
- There's a Red Hippo At My Door
- There's a Rock Concert in My Bedroom
- There's a Secret At My House
- There's a Skeleton Inside You!
- There's a Spaceship in My Tree!
- There's a Stinky Monster Inside My Shoes
- There's a Zombie in My Bathtub #5
- There's an Alien in My Backpack
- There's an Alligator under My Bed
- There's an Elephant in My Room!
- There's An Iguana In My Bed
- There's an Ogre-Beast in the Playground
- There's Broccoli in my Ice Cream!
- There's No Dream Too Tall
- There's No Such Thing
- There's No Such Thing As Humans
- There's No WiFi on the Prairie
- There's Nothing to Do!
- There's Something Out There
- There's This Thing
- There, There
- Theres a Fairy at My Preschool
- Theres a Mouse in My Mashed Potatoes