- Untouchable You
- UNTOUCHED
- Untouched By Man
- Untouched Queen By Royal Command
- Untouched Until Marriage
- Untraceable
- Untrespassed
- Untreu - Ein Beziehungsroman
- Unusual Pursuits
- Unvanquished
- Unveiled
- Unveiled [Torn Series]
- Unveiled Attraction
- Unveiling Love
- Unveiling Ms. Claus
- Unveiling The Bridesmaid
- Unveiling the Bridesmaid
- Unveiling the Past
- Unvergessene Versprechen
- Unvergesslich
- Unvergessliche Hochzeitsvorbereitungen
- Unvergesslicher Frühling in Meran
- Unverhofft Liebe
- UnWanted
- Unwanted Attention
- Unwanted Attention [Sequel to The Fortuitous Pen]
- Unwanted Desire
- Unwanted Heroes
- Unwanted Proposal
- Unwanted Truths
- Unwanted Wedding
- UNWELCOME INVADER
- Unwelcome Invader
- Unwelcome Reunion
- Unwiderstehlich Anziehung
- UNWILLING SURRENDER
- Unwordly Secretary, Gorgeous Boss
- Unwordly Secretary, Gorgeous Boss (Mills & Boon By Request)
- Unworthy
- Unworthy Heart
- Unwound
- Unwrap Me
- Unwrap Me: A Stark Ever After Novella
- Unwrapped By Her Italian Boss
- Unwrapped By Her Italian Boss / The Bride He Stole For Christmas
- Unwrapped by the Duke
- Unwrapped By The Duke
- Unwrapped Christmas Collection
- Unwrapped Hearts
- Unwrapping
- Unwrapping a Marriage
- Unwrapping Archie
- Unwrapping Chris
- Unwrapping Hanie
- Unwrapping Her Italian Doc
- Unwrapping Her Perfect Match: A London Legends Christmas Romance
- Unwrapping His Convenient Fiancée
- Unwrapping His Mountain Package
- Unwrapping Holly
- Unwrapping Me
- Unwrapping Scrooge
- Unwrapping The Best Man
- Unwrapping the Best Man
- Unwrapping The Innocent's Secret
- A Lost Love
- Unwrapping the Neurosurgeon's Heart
- Unwrapping The Neurosurgeon's Heart
- Unwrapping The Playboy / The Playboy's Gift
- Unwritten Love Story
- Unwritten Rules
- Unyielding Love - Nick & Bee's Story Vol. 1
- Unyielding Love - Nick & Bee's Story Vol. 2
- Unzertrennlich
- Unzipped?
- Un’altra direzione
- Un’altra volta
- Uomini Semplici
- Uomini Succulenti Cofanetto
- Up A Tree
- Up Against the Boards
- Up All Night
- Up and Down
- Up and Down - Chapitres Bonus
- Up and Down - L'intégrale
- Up and Down : Celia
- Up at the Villa
- Up Close & Personal
- Up Close - Three Book Selection
- Up Close and Dangerous
- Up Close and Personal
- Up Close And Personal
- Up Close and Personal!
- Up for Love in London
- Up Her
- Up in Flames
- Up in Flames
- UP In Flames
- Up in Flames
- Up In Flames
- Up in Flames
- Up in Flames
- Up In Flames