Books like Secret Sin by Jill Ramsower

In a witty romance, Marianna Grantham schemes a fake engagement to a wealthy heir, only to discover that the seemingly rakish Viscount Trowbridge is a reformed rake with a broken past and a heart as fragile as his.

Sir Gideon Trevithick returns to Cornwall after tragedy and vows to protect the formidable Lady Charis Weston from her murderous stepbrothers, forcing him into a marriage of convenience that threatens to reveal his dark past.

Logan Copeland discovers her secret life with tycoon Rowan Argyros and the hidden child they share, forcing her to confront loyalty, danger, and a proposal that could change everything.

Convenient Bride for the King is a romance novel by Kelly Hunter that explores themes of love, duty, and destiny within a fictional setting.

A smuggler and a socialite embark on a quest to uncover the secrets hidden in a grand mansion, while their forbidden love reignites a dangerous game of cat and mouse.

Venetia Hamilton discovers powerful desire when she encounters Earl Michael Wyndham, whose kiss ignites a fiery, dangerous love adventure.

For three generations the Tate women had carved out empires, built dynasties and left in their wake a reckless trail of wicked rogues and heartbroken lovers. Yet there was something bizarre about these three women named Mara. They are united by a strange, uncanny bond -- a secret legacy that goes beyond blood and vow. The full power of this legacy will be visited on the last of the Tates, a woman of dark mystery, great wealth and burning passion. This Mara becomes mistress to presidents, glittering celebrities and captains of industry. Blindingly beautiful, scorchingly sensuous, she is the most tempestuous of the Tates. But all of her life Mara is haunted by her eerie heritage. A supernatural force that reaches for her from beyond the graves leads her back through time to the lives of her mother and grandmother and into the great unknown -- from the watery wreckage of the Titanic to the bottomless maelstrom of the Bermuda Triangle. The lives of these three Maras -- their blazing passions and secret sins -- span an entire century, taking the reader on a daring and sensuous odyssey into the occult.

A Duke haunted by a dark past reluctantly attends a Cyprian ball, where a stunning, sensual woman ignites long‑forgotten carnal desire, exploring forbidden romance and desire in a clashing world of courtesans.