- Unidos por el azar
- Unidos por el escándalo
- Unie au Highlander
- Unintended Duchess
- Uninvited Visitors: A Dust Bowl Story
- Union de convenance dans les Highlands
- United
- Uniti Sotto la Luna di Natale
- Unkept Promises
- Unlaced At Christmas
- Unlaced by Candlelight
- Unlaced By The Highland Duke
- Unlawfully Wedded
- Unless We Dance
- Unlikely Spy Catchers
- Unmask Me If You Can
- Unmasked by the Marquess
- Unmasking Miss Appleby
- Unmasking Of A Lady
- Unmasking the Duke
- Unmasking the Earl
- Unmasking the Marquess
- Unmentionables
- Uno Scandaloso Conte In Meno
- Unparalleled Brilliant Beautiful
- Unprotected Western Erotic Bundle
- Unraveled
- Unraveling Secrets
- Unravelling Roana
- Unrelenting Love
- Unrequited
- Unruhige Gäste
- Unruhige Gäste: Historischer Roman
- Unruly Princess
- Unruly Princess
- Unscrupulous Wanted
- Unseen
- Unseen Heiress
- Unsere Hochzeitsreise in die Urwälder von Kamerun
- Unsere Seite des Himmels
- Unsinkable
- Unspoken Lyrics
- Unsuitable Bride For A Viscount
- Unsuitable Suitors
- Untamable Rogue
- Untamed & Unabashed
- Untamed (The Wild Women Series, Book 1)
- Untamed Hearts
- Untamed Highlander
- Untamed Journey
- Untamed: MacKinnon's Rangers 2
- Untaming Lady Violet
- Unter dem Galgen
- Unter dem Nordlicht
- Unter dem Zauberdach
- Unter dem Zwillingsstern
- Unter den wilden Sternen Australiens
- Unter Zugzwang
- Unternehmen Thunderstorm, Band 1
- Until A Change of Heart
- Until Forever
- Until Midnight
- Until She Says Yes
- Until the Dawn
- Until the Daybreak
- Until the Mountains Fall
- Until the Rivers Run Still
- Until Their Hearts Desire
- Until Then
- Until Tomorrow - Clean Historical Regency Romance
- Until You Love Me
- Until...
- A Sixpence for Christmas
- The Pieces of Us
- Remember Love
- Remember Me
- One Night with the Duke
- UNTITLED: A Short Story
- Untouched
- Unusual One: Daughter of Concubine
- Unveiled
- Unveiled For The Persian King
- Unveiling Beulah
- Unverstanden
- Unwed: Switched Series Book 2
- Unwelcome Invader
- Unwelcome Reunion
- Unwiderstehliche Küsse
- Unwiederbringlich
- Unwilling Surrender
- Unwrapping Hope
- Unwrapping The Rancher's Secret
- Un’adorabile sognatrice
- Un’inattesa attrazione
- Un’interminabile pioggia: Una breve variazione di Orgoglio e Preguidizio
- Up All Night with a Good Duke
- Up from the Sea
- Upon a Midnight Clear: A Regency Christmas Novella
- Upon A Midnight Dream
- Upon a Wicked Sea