Forced to escape the French Revolution, Comtesse Marie-Christine D'Estelle flees to London where she, hiding her aristocratic background, is hired by Captain Lord Alexander Kingsley as a lady's maid to his sister and must reveal the truth about her background when they are targeted by fortune hunters.

New York Times best-selling author Sarah MacLean follows her highly acclaimed Bombshell with Heartbreaker, featuring a fierce, fearless heroine on a mission to steal a duke's secrets...and his heart. A Princess of Thieves. Raised among London's most notorious criminals, a twist of fate landed Adelaide Frampton in the bright ballrooms of Mayfair, where she masquerades as a quiet wallflower--so plain and unassuming that no one realizes she's the Matchbreaker...using...

Self-made civil engineer Geoffrey Brookhouse has unexpectedly inherited the dukedom of Greenwood. With the London Season imminent, Geoffrey hires Elegant Occasions to orchestrate his timid sister's debut. Lady Diana Harper, spirited fashion expert, proves more than he bargained for. Suddenly, Geoffrey's sister is emerging from her shell, and he is beleaguered with social invitations and gossip. Worse, Diana is attempting to transform him into a presentable...

When a mysterious enemy jeopardizes her livelihood and reputation, widow Lady Georgiana Arlington turns to Captain Henry Harris, whose heart she broke, for help and gets an unexpected chance to make things right between them.