- U.S. Marines - Tome 1
- U.S. Marines - Tome 2
- U.S. Marines - Tome 3
- U.S. Marines - Tome 4
- U.S. Marines - Tome 5
- U.S. Marines - Tome 6
- U.S. Marines - Tomes 1 et 2
- U.S. Marines - Tomes 5 et 6 : Au risque de se perdre - Parce que tu es mienne
- Ultimate Courage
- Ultimate Engagement
- Ultraviolet
- Un air d’été
- Un Amore Imprevedibile
- Un amore nella Bufera
- Un bel pezzo di manzo
- Un Hiver pour aimer
- Un Ours Pas Tout Blanc
- Un vent de changement et Œil du cyclone
- Un'abitudine pericolosa
- Una Gustosa Bistecca
- Una Mujer Perversa
- Una Mujer Salvaje
- UnBearable SEAL (Bear Shifter Navy SEAL Romance)
- Unbound Hope
- Unbreak My Heart
- Unconditional Surrender
- Undaunted
- Undefeated
- Undeniable
- Undeniable Love
- Undeniably, Together
- Undeniably, Yours
- Under a Wartime Sky
- Under Fire (Love Under Fire Book 2)
- Under Fire: The Admiral
- Under The Surface
- Under the Wire
- Underboss Raphael
- Undercover - In Schwierigkeiten
- Undercover Danger
- Undercover In Glimmer Creek
- Undercover Justice
- Undercover Lion
- Undercover Missing Name
- Undercover mit dem SEAL
- Undercover SEAL
- Undercover With A Seal
- Undercover with the SEAL
- Undercurrent
- Understanding
- Une passion dans le désert
- Unequally Divided
- Unexpected Arrangement: A Southern Belle Civil War Romance Short Story
- Unexpected SEAL : Military Romance Collection
- Unfinished Business
- Unforgettable
- Unheilvolle Jagd
- Uniformly Hot!/Wicked Nights/Bring Me to Life/A SEAL's Temptation
- Union à tout prix
- Unlawful Desire
- Unleashed
- Unlikely Heroes
- Unleashed
- Unlikely Heroes
- Unpredictable Love
- Unraveled
- Unraveled by Blood, A Sweetblood World Vampire Romance
- Unrequited Love
- Unspoken
- Unsung Hero
- Untamed
- Unter Feuer 2: Band 1
- Unter Feuer 2: Band 2
- Unter Feuer 2: Band 3
- Unter Feuer 3
- Unternehmen Thunderstorm, Band 2
- Until Death
- Until Forever: A Wedding Novella
- Until I Fall
- Until Then
- Carry Me Home
- Until You Came Along
- Untrespassed
- Unveiled
- Unwanted Protector
- Unwiderstehlich Anziehung
- Unwrapping Chris
- Unwrapping His Mountain Package
- Unyielding
- Up In Flames
- URAR: Novela (Hrvatsko Izdanje)
- Urar: novela (Slovenska izdaja)