London, 1812. When the unconventional Gemma Lancaster embarked on a mission to infiltrate high society and avenge her beloved cousin's murder, she never would have guessed she'd end up in the arms of a thief. At least, that's what she assumes when she discovers Lucas Stone breaking into a private safe. Lucas Stone, the Earl of Winchester, has a reputation for arrogance and a soft spot for his sister, which is how he ends up in the predicament of hiding behind a curtain at midnight with the dreadfully dull Miss Gemma Lancaster. But he soon discovers appearances can be deceiving.

American heiress August Crenshaw has aspirations. But unlike her peers, it isn't some stuffy British lord she wants wrapped around her finger - it's Crenshaw Iron Works, the family business. When it's clear that August's outrageously progressive ways render her unsuitable for a respectable match, her parents offer up her younger sister to the highest entitled bidder instead. This simply will not do. August refuses to leave her sister to the mercy of a loveless marriage.

When Morgan Banfield wakes up in Newgate after a night of debauchery, the last thing he wants to see is his estranged brother. But in exchange for his help, Morgan must agree to take on responsibility and try to get his life together by taking on the job of Man of Affairs for a friend. The last thing Lizzie Margolis wants is some rogue coming onto her brother’s staff. She’s had enough of rakes after being ruined by one years before. But the more she gets to know Morgan, the more drawn to him she becomes.

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.

Lady Julie has dreamed of marrying her childhood sweetheart since she was four years old. Unfortunately, her father has other plans. He has his sights set on her marrying an earl. When she is forced into an unwanted betrothal, Julie needs to make a choice: wait for her true love and destroy her honor, or make a deal with the forbidding earl.

Turned out by his father after a tragic scandal, Lord Michael Knightly has grown into a powerful, but self-made man. With the whispers and stares that still follow him, he's been shut out of respectable society. He would rather be anywhere but London. Then he meets Lady Aldora, a young woman who mistakes him for his brother, the Marquess of St. James.

Once upon a time in Mayfair a group of wallflowers formed a secret society with goals that had absolutely nothing to do with matrimony. Their most troublesome obstacle? Rogues! They call her Beastly Beatrice. Wallflower Lady Beatrice Bentley longs to remain in the wilds of Cornwall to complete her etymological dictionary. Too bad her brother’s Gothic mansion is under renovation. How can she work with an annoyingly arrogant and too-handsome rogue swinging a hammer nearby?

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 woman running a prestigious London auction house? Preposterous! But that is exactly what Emma Fairbourne intends to do when her father dies, leaving her the reins of this fabulous enterprise. Of course, she is not addlepated enough to do this openly and scare away her wealthy collectors. So she and her friend concoct a deception, hiring a handsome and charming front man who will do her bidding.... All would have proceeded smoothly - if it weren't for the maddening interference of Darius, the arrogant Earl of Southwaite....

Lady Myrtle McQuoid has always felt a little forgotten, and this season is no exception. When her boisterous family vacates their London townhouse for the country, Myrtle finds she’s been left behind. But she just needs to stay warm, keep her belly full, and distract herself until her relatives realize their mistake and turn back to collect her. Surely that won’t take long.

She was unmarried, untouched, and almost 30, but novelist Amanda Briars wasn't about to greet her next birthday without making love to a man. When he appeared at her door, she believed he was her gift to herself, hired for one night of passion. Unforgettably handsome, irresistibly virile, he tempted her in ways she never thought possible . . . but something stopped him from completely fulfilling her dream.

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....

A handsome and reclusive horse breeder, Spencer Dumarque, the fourth Duke of Morland, is a member of the exclusive Stud Club, an organization so select it has only 10 members - yet membership is attainable to anyone with luck. And Spencer has plenty of it, along with an obsession with a prize horse, a dark secret, and, now, a reputation as the dashing "Duke of Midnight." Each evening he selects one lady for a breathtaking midnight waltz. But none of the women catch his interest, and nobody ever bests the duke - until Lady Amelia d'Orsay tries her luck.

When Miss Elizabeth Waterstone encounters the enigmatic Duke of Diable Delamere in the most shocking of circumstances, she is determined to exploit his rakish expertise to the fullest extent. The duke agrees to teach her everything she needs to know, but in return expects to receive her unwitting cooperation to uncover an assassination plot against the monarchy. But Elizabeth is hard to deceive, and the duke finds himself needing more than her innocent skills in his bed.

When a royal summons from her brother arrives, Emma knows it's time to embrace her duties as the princess of a small European kingdom and marry the man her brother has chosen for her, a stranger she has never met. Instead, she does what any self-respecting princess would do - she runs away. All she wants is one week in London. One week to experience everything life has to offer, before she is locked away in a loveless marriage forever. Former naval captain Nick Gregory has inherited a title he never wanted.