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.

Nicholas Lyon gambled his way into a fortune and ownership of the most opulent, notorious gentlemen’s club in England. But when Nick’s cruel brother dies, he inherits a title he never wanted. The sooner Nick is rid of the estate that has always haunted him, the sooner he can return to the life he’s built in London. But there’s one obstacle - the exquisite Thomasina Thorne.

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.

A dutiful army officer who shuns intimacy. A selfless beauty ready to start living for herself. A chance meeting in the street that leads to love. When Major Spencer Haddock’s father dies, he returns to England as the Earl of Middlefield. He seeks a typical ton marriage, where his wife will provide him with an heir and possibly other children and then they go their separate ways. He intends to find his countess quickly and not waste time at boring social affairs.

Trevor Hunt, the Duke of Ridgely, has been called many things, most of which are true. Reviled by his family, hated by many, he's earned his reputation in the seedy streets of London and more than his fair share of bedchambers. But battling deadly foes and irate husbands failed to prepare the duke for the most troublesome role he's played yet: guardian to one maddening hoyden.

Lady Emmaline Fitzhugh, a hopeless romantic, is tired of sitting with the wallflowers, waiting for her betrothed to come to his senses and marry her. When Emmaline reads one too many reports of his scandalous liaisons in the gossip rags, she takes matters into her own hands.

Miss Eleanor Jones is forced to find work as a governess after her father’s death. Being the daughter of a vicar gives her a certain respectability, one that she uses to her advantage. Her new position comes with unavoidable issues. The biggest one? Her new charge’s wildly attractive uncle…. She does her best to keep her distance, but he’s making it difficult at every turn.

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.

When Veronica said "I do" to Sebastian Sinclair, Duke of Edgefield, she thought all her dreams had come true. He was dashing and doting, and she absolutely adored him—until he betrayed her trust, shattering their marriage, and her heart, into a million tiny bits. She hasn't seen her husband in the two years since, and she'd just as soon make it twenty. But when she learns that her beloved grandfather's dying wish is for her and Sebastian to attend the family's Christmastide celebration, she swallows her pride and asks him a favor: to pretend they're the happy couple they once were.

Anthony Cary, Duke of Strickland, inherits his spendthrift father’s title and can finally restore the family castle to its former glory. But at the reading of the will, Strick is stunned to learn that his father has secretly disentailed him, leaving the family manor—home to twelve generations of dukes—to Strick’s American stepmother. Everyone knows Strick detests the dowager duchess, and when she dies mysteriously, damning rumors start to surface.

One should never judge a duke by his cover. As far as London society knows, Giles Drew, the Duke of Basingstoke, is everything a proper aristocrat ought to be. But when a notorious scandal sheet publishes details of Giles's questionable bedroom antics, only one bride can salvage his reputation. Prim and penniless, Francesca Stanhope has resigned herself to a season full of the ton's snickering—until the Duke of Basingstoke's dizzying courtship transforms her fate. Yet wedded bliss quickly turns into a clash of wills as Franny realizes her handsome duke is a devil in disguise.

Sophie Campbell is determined to be mistress of her own fate. Surviving on her skill at cards, she never risks what she can’t afford to lose. Yet when the Duke of Ware proposes a scandalous wager that’s too extravagant to refuse, she can’t resist. If she wins, she’ll get 5,000 pounds, enough to secure her independence forever. Jack Lindeville, Duke of Ware, tells himself he’s at the Vega Club merely to save his reckless brother from losing everything, but he knows it’s a lie. He can’t keep his eyes off Sophie, and to get her he breaks his ironclad rule against gambling.

British private investigator, Thomas Kincaid, thinks he's seen it all...until a gorgeous, soaking-wet American shows up and demands he help her find a stolen family heirloom. Having had his heart crushed once before by a beautiful woman, Kincaid has no intention of tempting fate a second time. But Joanna Thorncroft isn't about to take no for an answer. Joanna has to find her mother's ring and discover the secrets it contains. Secrets that have brought her all the way across the Atlantic and onto the doorstep of a sinfully handsome detective.

As a child, Devlin Ware thought his family stood for all that was right and good in the world. They were kind, gracious, and shared the beauty of Ravenwood, their grand country estate, by hosting lavish parties for the entire countryside. But at 22, he discovered his whole world was an elaborate illusion, and when Devlin publicly called his family to account for it, he was exiled as a traitor. So be it. He enlisted in the fight against Napoleon and didn't look back for six years. But now his father is dead, the Ware family is broken, and as the heir he is being called home.

Miss Georgianna Eleanor Heyford may be naught but a gentleman's daughter, but even she's heard the rumors about the Earl of Stannis's exceptional charm and good looks. Surely she can cater his luxurious yacht party without getting swept away. But a terrible misunderstanding leaves Georgianna fired, furious, and with little recompense. Which is precisely when her opportunity for vengeance washes ashore.