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 Aline Marsden was brought up to marry a man of her own class, but from the moment she meets John McKenna, she risks everything to be with him.

At birth, Mick Trewlove, the illegitimate son of a duke, was handed over to a commoner. Despite his lowly upbringing, Mick has become a successful businessman, but all his wealth hasn’t satisfied his need for revenge against the man who still won’t acknowledge him. What else can Mick do but destroy the duke’s legitimate son - and woo the heir’s betrothed into his own unloving arms.... Orphaned and sheltered, Lady Aslyn Hastings longs for a bit of adventure. With her intended often preoccupied, Aslyn finds herself drawn to a handsome man who seems to understand her so well.

Henry, Duke of Torquil, wouldn't be caught reading the wildly popular "Dear Lady Truelove" column, but when its advice causes his mother to embark on a scandalous elopement, an outraged Henry decides the author of this tripe must be stopped before she can ruin any more lives. Though Lady Truelove's identity is a closely guarded secret, Henry has reason to suspect the publisher of the notorious column, beautiful and provoking Irene Deverill, is also its author.

Wedded and bedded, Lucy is devastated when she's abandoned by her new husband the very next day. Though it was a marriage of convenience, their heated wedding night gave her hope that it would turn into something more. But she refuses to be the demure bride left behind on a country estate while the stranger she married goes gallivanting about London - even if she has to create a scandal of her own.

A lady does not smoke cheroot. She does not ride astride. She does not fence or attend duels. She does not fire a pistol, and she never gambles at a gentlemen's club. Lady Calpurnia Hartwell has always followed the rules, rules that have left her unmarried - and more than a little unsatisfied. And so she's vowed to break the rules and live the life of pleasure she's been missing. But to dance every dance, to steal a midnight kiss - to do those things, Callie will need a willing partner. Someone who knows everything about rule-breaking. Someone like Gabriel St. John, the Marquess of Ralston....

Lady Honora Parker must get engaged as soon as possible, and only a particular type of man will do. Nora seeks a mate so abhorrent, so completely unacceptable, that her father will reject the match—leaving her free to marry the artist she loves. Who then is the most appalling man in Manhattan? The wealthy, devilishly handsome financier, Julius Hatcher, of course….

Joan Bennett is a breath away from being a spinster. She’s had four seasons without a suitor. After reading a shockingly sensuous book, Fifty Ways to Sin, Joan decides perhaps it’s time to stop being proper and start being sinful, while she’s still young enough to enjoy it. And what better partner than her brother’s drinking mate, Viscount Burke? He seems the type to know how to give a lady a lascivious adventure.

Lady Maggie Wentworth must support herself as an investigative reporter. Writing under another name, she’s been exposing the notorious scandals of the ton - this time it’s the “working girls” of London. While interviewing the women, a client enters, and Maggie is shocked to see her beau. She changes clothes with one of the girls and flees out the window, only to be whisked away by a stranger.

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.

Reckless beauty Lily Lawson delights in shocking London society. She will break any rule to get what she wants...and she is determined to stop her younger sister from marrying Alex, Lord Wolverton, a handsome and arrogant earl who has vowed never to fall in love.

Miranda Hodgkins has only ever wanted one thing: to marry Robert Carlisle. And she simply can't wait a moment longer. During the Carlisle family masquerade ball, Miranda boldly sneaks into his bedchamber with seduction on her mind. Soon she's swept into rock-hard arms for the most breathtaking kiss of her life. But when the masks come off, she's horrified to find herself face-to-face with Sebastian, the Duke of Trent - Robert's formidable older brother.

They are England's most eligible bachelors, with the most scandalous reputations. But for the right woman, even an unrepentant rogue may mend his ways…Lady Grace Mabry's ample inheritance has made it impossible for her to tell whether a suitor is in love with her…or enamored of her riches. Who better to distinguish beau from blackguard than her notorious childhood friend, the Duke of Lovingdon? With no interest in marriage, Lovingdon has long lived only for pleasure. He sees little harm in helping Grace find a proper match.

Miss Isabella Hilgrove, proprietress of the Ladies' Typewriting School, prides herself on the quality of her staff. After the Duke of Westmorland sacks the third typist she has sent him in as many days, she's not just outraged, she's determined to put the arrogant bully in his place. Benedict Manning, Duke of Westmorland, is having the worst week of his life. A bomb has exploded on London Bridge, the Special League is unraveling, and he cannot seem to find a secretary who is not a spineless watering pot.

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.