- The Thirteenth Fae
- The Thirteenth Guest
- The Thirteenth Knight
- The Thirteenth Tale
- Thirteenth Werewolf and Other Stories
- Thirty Minutes to Heartbreak Box Set (Books 1-3)
- Thirty Nights with a Highland Husband
- Thirty-Three Days
- This Blood - The Grace Allen Series Book 1
- This Book Belongs To: Melody
- This Carnival of Strange
- This Curse
- This Hollow Body
- This I Need
- This is all I ask
- This Is How You Lose the Time War
- This Last Chance
- This Man's Wife
- This Night - The Grace Allen Series
- This Old Haunt: Magic and Mayhem Universe
- This Same Earth: An Elemental Vampire Fantasy Novel
- This Second Chance
- This Strange Witchery & Tamed by the She-Wolf
- This Time - The Grace Allen Series Book 3
- This Time for Keeps
- This Time Is Trouble
- This Time Next Year
- This Time Tomorrow
- This Time You
- This Weakness For You
- This Winter Heart
- Thistleheart
- Thomas
- Thomas Matthew
- Thomas Passe-Mondes, Tomes 1 et 2 : Edition spéciale
- Thomas' Entscheidung
- Thomas' Heart
- Thor
- Thor's Saucy Wench
- Thorley Weir
- The Thorn and the Blossom
- Thorn and Thistle
- Thorn Bearer
- Thorn Heart
- Thorn in Moonscape
- Thorn in Moonscape #9
- Thorn Queen
- Thornbound: Volume II of The Harwood Spellbook
- Thornfair
- Thorns
- The Thorns (Second Edition)
- Thorns and Fangs
- Thorns of the Rose
- Thoroughly Kissed
- Thoroughly Modern Amanda
- Thoroughly Screwed
- Thorrn
- Those Eyes Were Watching
- Those Maleficent Mushrooms
- Those People You Meet on Vacation
- Those the Future Left Behind
- Thoth: A Romance
- Thousand Times I Say
- Thrall
- The Thrall of the Wild
- Thread of Death
- Thread of Destiny
- Thread of Hope
- Threaded Through Time (Book One)
- Threaded Through Time (Book Two)
- Threaded Through Time, Books One and Two
- Threadneedle
- Threads of Desire
- Threads of Destiny
- Threads of Faith
- The Threads that Bind
- Threat
- Threat of Raine
- Threat
- Threat of Raine
- Threatening (In the Loup #14)
- The Threat
- The Three Brides, Love in a Cottage and Other Tales
- Three Bright Girls: A Story of Chance and Mischance
- Three Days
- Three Days of Night
- Three Days to Choose
- Three Days to Dead
- Three Days To Love
- The Three Fates of Ryan Love
- Three For Christmas - A Love in Time Christmas Story
- Three Generations of Mermaids
- Three Hours
- THE THREE IMPOSTORS (Dark Fantasy Classic)
- Three in Death
- The Three Infernal Jokes
- Three Is Just Right
- The Three Keys to Armageddon
- Three Kingdoms : Scifi Dragon Shifter Romance
- Three Kings
- Three Kings: Adult Fairy Tale Box Set
- Three Legs
- Three Little Words
- The Three Lovers
- Three Made in Heaven [Made in Heaven]
- Three Make a Menage [Werewolves Wanting Love 3]
- Three Mates for Judith [The Cat Burglars 5]
- Three Men in the Dark
- Three Months to Change
- Three Novels - Headlong Hall - Nightmare Abbey - Crotchet Castle
- THE THREE PERILS OF MAN (Historical Novel )
- THE THREE PERILS OF MAN: War, Women and Witchcraft (Scottish Classic)
- The Three Sailors’ Gambit
- The Three Series Box Set
- Three Shifters for Sarah
- The Three Sisters