She spent her life studying his death. Now, she is the only one who can stop it. Dr. Aris Thorne knows exactly how the story ends. As a modern historian, she has built her career on the biography of Julian St. Clair, the ruthless Duke of Ainsworth. She knows about his cold reputation, his political scandals, and the assassination that ends his life in 1814. She knows it all as ink on a page—until a storm-charged artifact hurls her two hundred years into the past and onto the Duke’s rain-soaked estate. Julian St. Clair is a man living on borrowed time. Burdened by duty and hunted by a shadow organization known as the Midnight Charter, he has no patience for the strange, sharp-tongued woman found wandering his lands in impossible clothing. He suspects she is a spy; she knows she is his only hope. To keep her close—and keep his secrets safe—Julian hides Aris in plain sight, introducing her to the glittering, treacherous London ton as his distant country cousin. But as Aris uses her knowledge of the future to dismantle the conspiracy tightening around him, the boundaries of their fake relationship begin to blur. Beneath the crystal chandeliers and amidst the whispers of spies, a love defies the laws of time. But the history books are stubborn. The date of Julian’s death is approaching, and the bullet meant for him is already in the chamber. Aris must decide: Will she remain a footnote in history, or will she shatter the timeline to save the man she loves? "The Duke’s Impossible Secret" is a sweeping Time Travel Regency Romance full of political intrigue, slow-burn passion, and high stakes. Tropes & Themes: 🕰️ Modern Heroine in Regency London - 🎩 Cold/Ruthless Duke with a Hidden Heart - 🤝 Fake Relationship / Cousins-by-Ruse - 🕵️ Political Intrigue & Spies - 🛡️ Protector Hero - 🔥 Slow Burn - ❤️ History Rewritten