- Undercover Protection
- Undercover Santa
- Underestimating Miss Cecilia
- Underground Fugue
- Understory
- Undertaker of Sorrows
- Undetected
- Undying Love
- Une campagne de chasse en Californie et dans l’Océan pacifique
- Une Expédition américaine dans les déserts du Nouveau Mexique
- Une invasion sans précédent
- Une maison soufie
- Une panthère dans la cave
- Une Promesse est Une Promesse
- Une provençale
- Une Rencontre Bouleversante: Samuela
- Une Révolution conservatrice
- Une Ville flottante
- Unending Devotion
- Unexpected Amish Match
- Unexpected Bride
- Unexpected Champion
- Unexpected Christmas Gift
- Unexpected Christmas Joy
- Unexpected Guest - (Behind Closed Doors 3)
- Unexploded
- Unfailing Love - A Christian Clean & Wholesome Contemporary Romance
- Unfinished Justice
- Unfolding
- Unforeseeable
- Unforeseen
- Unforeseen Times
- Unforgettable Love - A Clean & Wholesome Contemporary Romance
- Unforgettable Sins
- Unforgettable, My Love Has Come Along
- Ungeheure Veränderungen in letzter Minute
- Ungeschminkt in London
- Unheilvolle Nähe
- Unhidden Pilgrims
- Unholy Ground
- Unholy Hunger
- Unholy Terrors From Beyond
- Unicorn Eternal
- Unintentionally Yours
- Unity of Good
- Unjust Ruling
- Unknown
- Unknown Enemy: A Green Dory Inn Mystery
- Unknown Force
- Unknown Name, Unknown Number
- Unknown Threat
- Unlawfully Wedded Bride
- Unlikely Hero
- Unlikely Partners
- Unlikely Romance Part 1: The Clean Romance Chronicles
- Unlikely Romance Part 2: The Clean Romance Chronicles
- Unlikely Sweethearts (An Amish Christmas Story)
- Unlimited
- Unlocked: a short prequel to Lokte
- Unloving Whispers
- Unmasking the Duke
- Unpardonable Sins
- Unplanned
- Unplanned Love
- Unraveled-Rewoven: Book 2 RIPPED-Lies Exposed
- Unraveling Grace
- Unraveling The Past
- Unreliable Witness
- Unscripted
- Unseasonable
- Unseemly Behavior: Stories
- Unseen
- Unsere Seite des Himmels
- Unsettled Shores
- Unshakable
- Unsolved Abduction
- Unspeakable Beauty: A Novel
- Untamed Trails
- Unter dem Schirm
- Unter Heiligen
- Unterzakhn
- Until Forever
- Until I Love Again
- Until June
- Until My Name Is Known
- Until the Dawn
- Until the Daybreak
- Until the Harvest (Appalachian Blessings Book #2)
- Until the Miracles Come
- Until the Mountains Fall
- Until Then
- Until Tomorrow (Christy and Todd: College Years Book #1)
- Until We Reach Home
- Untimely
- Unto the End
- Untold Mercy: He Kept Her Secret. Now It Will Cost Him His Life.
- Unveiled Amish : A Collection of Amish Romance
- Unveiled Truth
- Unveiling the Past
- Unwed: Switched Series Book 2
- Unwrapping Hope
- Unwritten Love Story
- Unyielding
- Unyielding Hope
- Up Close and Personal
- Up from Orchard Street
- Up from the Grave
- Up from the Sea
- Uphill
- Upon a Midnight Clear
- Upon a Midnight Clear and Season of Joy
- Upon This Bank and Shoal: A Novel
- Upon This Rock
- Uprooted by War