Miss Cleopatra Lewis is about to be launched in society by her aristocratic grandfather. But since she has no intention of marrying, she visits a costume emporium specifically to order unflattering dresses guaranteed to put off any prospective suitors. Powerful and charismatic Jacob Astor Addison is in London, acquiring businesses to add to his theatrical holdings in America—as well as buying an emerald for a young lady back in Boston. He’s furious when a she-devil masquerading as an English lady steals Quimby’s Costume Emporium from under his nose.

Shunned by a society that puts attractiveness above all else, Lady Eliza Darby’s wallflower status keeps her from getting the one thing she wants most, namely, to be a mother. But, when her scorned older sister returns home to see all of her sisters wed in happy matches, it may be Eliza’s only chance to secure a husband and have the children she so desires. Jilted in a publicly humiliating display, Dax Kane, the Duke of Ashbourne, has sworn off love forever. But, when the title demands it, he selects the most perfect candidate for the position: Lady Eliza Darby.

Lucy Waltham is hunting for a husband, but she needs some target practice. She turns to her brother's cold-as-ice best friend, Jeremy Trescott, the earl of Kendall, to test her seductive wiles on him before setting her sights on another man. But her practice kisses spark a smoldering passion - one that could send all her plans up in smoke.

Lady Kathryn Lambert must marry a titled gentleman to claim her inheritance and has finally gained the attention of a duke. Yet she is unable to forget the scandalous second son who aided in her achievement - or his betrayal. Lord Griffith Stanwick is tormented by the bitter truth that as a “spare”, he will never be able to give Kathryn what she yearns to possess. But when his father is found guilty of treason, Griff detours into the dark and dangerous corners of London, haunted by memories of the woman lost to him forever.

Lady Aisla Montgomery has a perfectly tolerable marriage...as long as her husband stays in Scotland and she in Paris. But now, years later, she wants only one thing - a divorce. Niall Stuart Maclaren, the rugged Laird of Tarbendale, rues the day he met his beautiful, conniving wife. Though the thought of her incites a bitter and biting fury, no other woman has ever stirred his blood as hotly. When Aisla returns to Scotland to sever ties, Niall agrees on one condition - one week with him for every year of desertion. Six weeks as his wife in his castle in exchange for her freedom.

Marcus Reese, Duke of Exeter, has spent most of his life pulling his twin brother out of trouble. A thank you would suffice; instead, his resentful sibling forges his name to a marriage license and presents him with an unwanted wife. She's a vicar's widow with a mind of her own, and the first person in Marcus's well-ordered life to make him feel...completely out of control. Dire straits have led Hannah to the altar with a gentleman she hardly knows. Played for a fool, she's embarrassed, furious, and worse, married to an equally outraged, exasperating man.

Miss Alice Bursnell is determined to wreak revenge on Nathaniel Eastwood, Viscount Abingdon, for the seduction, ruin, and death of her beloved twin sister. But how to expose a seducer without falling prey herself? As she gets closer to Nathaniel, she finds she is in serious danger of following in her sister's much-too-tempted footsteps.

Miss Wilhelmina "Mina" Crawford is desperate. Having been ruined in the eyes of society years ago for one foolish, starry-eyed mistake, she spends her days secreted away at her family's crumbling estate, helping her brother manage the land but not able to truly live life the way she's always dreamed. When her brother admits to just how dire their finances have gotten, she takes it upon herself to procure employment . . . but the only one who will even consider the scandalous idea of a female secretary is the brilliant, ruthless, and infuriating Earl of Creswick.

A scandalous book by an anonymous author takes London by storm, and everyone is convinced its villainous “Lord K” is the greatly admired Earl of Knightly. Heartbroken that he left her at the altar, Miss Regina Leyland impulsively sought revenge by revealing the true Knightly to the world but never expected the uproar to bring enemies to her door. To keep her identity hidden, she must trust the one man with the power to destroy her.

With her headful of wild curls and wilder ideas and an unabashed love of experiments and explosives, society has labeled Lady Imogen Loveless peculiar…and doesn’t know she’s one of the Hell’s Belles—a group of vigilantes operating outside the notice of most of London.

Devon Ravenel, London's most wickedly charming rake, has just inherited an earldom. But his powerful new rank in society comes with unwanted responsibilities...and more than a few surprises. His estate is saddled with debt, and the late earl's three innocent sisters are still occupying the house - along with Kathleen, Lady Trenear, a beautiful young widow whose sharp wit and determination are a match for Devon's own.

Joanna Porter loves being one of London's hottest up-and-coming matchmakers. But her heavenly vocation is about to turn into a nuptial nightmare—thanks to the Duke of Crestmont. He's as handsome as he is insufferable and obsessed with all things proper. Matching him would cement Jo's status as England's greatest matchmaker. Except, of course, the impossible-to-please duke refuses all of her most eligible ladies...confirming his status as a complete and utter pain in her petticoats.

Spirited debutante Lady Olivia McLeod, cherished daughter of the Duke and Duchess of Strathaven, has two interests: solving mysteries and winning the love of her rescuer and secret crush, the infamous Duke of Hadleigh. When Livy joins Lady Charlotte Fayne's charity for young ladies and discovers that it is a front for a covert investigative agency, she is thrilled. Livy dedicates herself to solving a deadly case. Little does she realize that the path to danger will also lead to her heart's deepest desire.

Lady Vesper Lyndhurst is beautiful, clever, and popular. Afforded every luxury as a duke’s daughter, she fills her days with friends, intrigues, and a self-professed knack for matchmaking. She may have sworn off love for herself, but she is rather excellent at arranging it. Faced with an insolvent estate, the Duke of Greydon has no choice but to return to England in a final attempt to revive his family’s fortunes. He’s been gone for years, happy to have escaped his mother and the petty circles of the ton. To his dismay, not much has changed, including the beautiful heiress next door.

Lady Violet is keeping secrets. First, she founded a clandestine sanctuary for England's most brilliant female scientists. Second, she is using her genius on a confidential mission for the Crown. But the biggest secret of all? Her feelings for protection officer Arthur Kneland. Solitary and reserved, Arthur learned the hard way to put duty first. But the more time he spends in the company of Violet and the eccentric club members, the more his best intentions go up in flames. Literally.