- Opening Her Eyes
- Opening His Holiday Heart
- Opening Night
- Opening night - erotic short story
- Opening Up
- Operabesöket – erotiska noveller
- Operation Back-to-School
- Operation Bailey Babies
- Operation Bailey Birthday
- Operation Bailey Wedding
- Operation Billionaire Trilogy: A Romantic Comedy Boxed Set
- Operation Boyfriend...
- Operation Camilla
- Operation Christmas
- Operation Contraband, Super Agent Romantic Suspense Series, Book 6
- Operation Date with Destiny
- Operation Flower Petal
- Operation K-9 Brothers
- Operation Mistletoe
- Operation Mistletoe Magic
- Operation Sizzle
- Operation Snowball - A Dickens Holiday Novella
- Operation Summer Storm
- Operation Sunshine
- Operation Swift Mercy
- Operation Tomcat
- Operation Valentine
- Operation White Christmas
- Operation Willow Quest
- Operation: Baby-Maker (BBW Erotic Romance)
- Operation: Burlesque
- Operation: Christmas Seduction
- Operation: Endeavor - Book 2
- Operation: Endgame
- Operation: Endurance - Book Three
- Operation: Get her back
- Operation: Romeo
- Operation: Sand Dune
- Operations: Christmas Hearts
- Ophelia's Bodyguard
- Opiskelija-asuntolassa – eroottinen novelli
- Opklada Na Ljubav
- Oportunidad para el Amor
- Opportunist
- Opposed Desires
- Opposing the Cowboy
- Opposite Attraction
- Opposite of Frozen
- Opposites Attract: Butch/Femme Romances
- Opposites Distract
- Opposites Ignite
- Opposti che si attraggono
- Ops, Mi Sono Innamorata del Mio Capo - Parte 1
- Ops, Mi Sono Innamorata del Mio Capo - Parte 2
- Ops, Mi Sono Innamorata del Mio Capo - Parte 3
- Option Three: With a Stranger
- Opulent
- Opulent Match [Ménage.com 3]
- Opération bague au doigt - La famille dont elle rêvait
- Opération boss infiltré... et crush interdit !
- Opération cat's eyes
- Opération guirlandes, sapin et chocolat chaud
- Opération récupération
- Or Forever Hold Your Peace
- Ora che ci sei
- Ora e per sempre (La locanda di Sunset Harbor—Libro 1)