- Secret Heat [Men of Iron Horse 10]
- Secret Heir
- Secret Heir Seduction
- Secret Heiress, Secret Baby
- Secret Heirs And A Forever Family
- Secret Heirs Collection
- Secret Heirs: Baby Bargain
- Secret Heirs: Baby Scandal
- Secret Heirs: His One Night Consequence
- Secret Heirs: Price Of Success
- Secret Heirs: Royal Appointment
- Secret Identity
- A Secret in Salem
- Secret Ingredient: Love
- Secret Lies
- Secret Lives of Cheating Wives
- Secret Lives of Husbands and Wives
- Secret Lives of Second Wives
- Secret Love
- Secret Love - Book Four
- Secret Love - Book Three
- Secret Love - Book Two
- Secret Love - Complete Series
- Secret Love-Child
- Secret Lover
- Secret Lovers
- Secret Match
- Secret Miami Nights
- Secret Millionaire For The Surrogate
- Secret Mistress
- Secret Nature
- Secret North
- Secret Notte
- Secret Obsession
- Secret of the Wolf
- Secret Paradise
- Secret Passions : Threesome MFM Romance Collection
- Secret Pressure
- Secret Prince's Christmas Seduction / The Queen's Baby Scandal
- Secret Refuge
- Secret Rendezvous
- Secret Romeo
- Secret Royal
- Secret Sanctuary
- Secret Santa 2
- Secret Santa Sir
- Secret Santa's Rundown Sleigh
- Secret Sauce
- Secret Seductions
- Secret Series 1-3
- Secret Series Book 4-6
- Secret Service Cyborg
- Secret Service Dad
- Secret Service Setup
- Secret Shades Aroused
- Secret Singer: A Short Story
- Secret Society Girl
- Secret Spirit Guardians of Santa Fe
- Secret sur un scandale
- Secret Surrender
- Secret Surrender – A Harlow Series Book
- Secret Tastes
- Secret Things
- Secret Twins For The Texan
- Secret Valentine
- Secret Vows
- Secret Weapon Spouse
- Secret Wedding: BWWM
- Secret Words
- Secret Yearnings
- Secret's Kiss: Securities International Book 4
- Secretaria de día, amante de noche
- Secret's Kiss: Securities International Book 4
- Secretaria de día, amante de noche
- Secretaria y amante
- Secretarial Wars
- Secretary With Benefits for the Billionaire
- Secrete si speranțe
- Secretive Stranger
- Secretly
- Secretly Craved
- Secretly Desired
- Secretly in Love
- Secretly in Love
- Secretly Inn Love
- Secretly Mated
- Secretly Needed
- Secretly Scandalous
- Secretly Smitten
- Secretly Wild
- Secretly Yours
- Secreto amargo
- Secreto culpable
- Secreto de amor
- Secreto de mujer
- Secreto de seducción
- Secreto de una noche
- Secreto desvelado
- Secreto entre hermanastros
- Secreto familiar
- Secreto inconfesable (Trilogía Pecado 1)
- Secreto matrimonial
- Secreto mortal
- Secreto oculto
- Secreto siciliano
- Secreto vergonzoso
- Secretocracy