The Halifax Hellions are the most scandalous, outrageous, ungovernable ladies in London. From the day of their debut—in which Matilda smoked a cheroot and Margo tied a cherry stem in a knot with her tongue—they’ve turned the ton upside down. But when Matilda elopes with a dangerous aristocrat, Margo must stop her twin before this new misadventure becomes a permanent marriage. For help, Margo turns to her brother’s best friend—because if anyone can get them to Scotland in time, it’s starchy solicitor Henry Mortimer.

Peter Kent—newly inherited Duke of Stanhope and recently of New Orleans, Louisiana—must become respectable. Between his radical politics and the time he interrupted a minor royal wedding with a flock of sheep—not his fault!—he’s developed a scandalous reputation at odds with his goal of becoming guardian to his half-siblings. For help, he turns to the cleverest and most managing woman of his acquaintance, Lady Selina Ravenscroft.

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.

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.

Crispin Ashforth returns from battle the newly inherited Duke of Whitley with two sisters under his charge. Publicly lauded as a hero, he is haunted by the bitter mission that nearly saw him killed and cost the life of his best friend. He’s desperate to drown out the demons tormenting him by any means, regardless of how depraved. All he needs to do is find a proper governess for his hellion sisters so he can drink and wench himself into oblivion. Enter Miss Jacinda Turnbow, who is as lovely as she is prickly.

A murdered opera singer. A duke drenched in her blood. For Bow Street Officer Hugh Marsden, the brutal killing is a straightforward case. Ever since his exile from polite society, the chance to arrest a high and mighty peer of the realm has never presented itself. Hugh won't snub the opportunity now. But Audrey Sinclair, the Duchess of Fournier, is certain her husband is wrongly accused, and she's determined to prove it to the arrogant Bow Street officer, even if she must employ her most peculiar ability—or perhaps curse—to guide her investigation. After all, a duchess can do as she pleases.

Alice, Lady Charlton, is finally free of her dominating husband, but on the verge of her new life, she is trapped when a blackmailer threatens to publish letters that could ruin her. To protect the secrets of her past Alice must find a lord for his daughter, Lucy, to marry. Alice reluctantly agrees to find the girl a noble husband but when Lucy arrives, she's difficult and uncooperative and has no interest in her father's scheme. A lord, she says, will only look down his nose at her-and she's having none of that! Desperate, Alice enlists the aid of her handsome young nephew.

When Lucinda Peterson’s recently perfected formula for a salve to treat croup goes missing, she’s certain it’s only the latest in a line of misfortunes at the hands of a rival apothecary. Outraged and fearing financial ruin, Lucy turns to private investigator Jonathan Thorne for help. She just didn’t expect her champion to be so . . . grumpy? A single father and an agent at Tierney & Co., Thorne accepts missions for a wide variety of employers—from the British government to wronged wives. None have intrigued him so much as the spirited Miss Peterson.

Evie Jenkins didn't know what she was thinking by agreeing to switch places with her American heiress cousin. After all, she's naught but a poor—and usually quite sensible—companion. All she has to do is spend six weeks among London society, pretending to be an heiress . . . and ensure that absolutely under no circumstances does she accept any proposals of marriage.

Thea Knight loves a spot of mischief. She especially loves her current mischief: masquerading as her sister, while finalizing her scheme to expose the dastardly knaves whose lies ruined her life. Then big, bad-tempered Lord Luxborough upends her game by maneuvering her into marriage. But it's her sister’s name on the license, so the marriage won’t be valid. Thea’s idea? Keep pretending to be her sister until she can run away.

Hidden away in rural Devonshire, Phyllida Satterthwaite has always been considered more odd than beautiful. But in London, her oddity has made her a sensation. Far worse, it’s caught the eye of the sinister Duke of Moreland - a notorious art collector obsessed with acquiring one-of-a-kind treasures. To escape the duke’s clutches, she’s going to need a little help. Captain Arthur Heywood’s days of heroism are long past. Grievously injured in the Peninsular War, he can no longer walk unaided, let alone shoot a pistol. What use can he possibly be to a damsel in distress?

Vivi, the Duchess of Bradford, loved her husband from the day they first met. She was an unabashed hoyden. He was the heir to a dukedom and her older brother’s best friend. She vowed to marry him, but she never could have imagined just how dreadfully that youthful promise would go awry, shattering her hope for a future.

As far as rash decisions go, it was formidable. But Lady Jocelyn Rathbourne's will remains strong. If the only way to save her family's estate and reputation is by aiming a small pistol at the Duke of Calydon, then so be it. For Lady Jocelyn demands satisfaction - and she will have it at any cost. Even if it means demanding the hand of the intense and foreboding Duke himself....

Scandal has rocked the city of London. Colin Eversea, a handsome, reckless unapologetic rogue is sentenced to hang for murder and, inconveniently for him, the only witness to the crime disappears. Then again, throughout history, the Everseas have always managed to cheat fate in style: Colin is snatched from the gallows by a beautiful, clever mercenary. Cool-headed, daring Madeleine Greenway is immune to Colin's vaunted charm. Her mission is not to rescue Colin but to kidnap him, and to be paid handsomely for it.

Verity Hartley always tells the truth. Well, mostly. However, when her snooty neighbor returns to their small hamlet to brag about having a grand Season, a plethora of ballgowns, and so many suitors that she cannot possibly decide which one to marry, Verity tells a lie. She claims to be betrothed. To a duke. Who happens to be her family’s sworn enemy. But what are the odds that he would ever learn of this one, little, harmless falsehood?

The Halifax Hellions are the most scandalous, outrageous, ungovernable ladies in London. From the day of their debut—in which Matilda smoked a cheroot and Margo tied a cherry stem in a knot with her tongue—they’ve turned the ton upside down. But when Matilda elopes with a dangerous aristocrat, Margo must stop her twin before this new misadventure becomes a permanent marriage. For help, Margo turns to her brother’s best friend—because if anyone can get them to Scotland in time, it’s starchy solicitor Henry Mortimer.

Peter Kent—newly inherited Duke of Stanhope and recently of New Orleans, Louisiana—must become respectable. Between his radical politics and the time he interrupted a minor royal wedding with a flock of sheep—not his fault!—he’s developed a scandalous reputation at odds with his goal of becoming guardian to his half-siblings. For help, he turns to the cleverest and most managing woman of his acquaintance, Lady Selina Ravenscroft.

When Harry Kincaid’s flighty older sister decides to join her husband on an Egyptian expedition, Harry, a former naval captain, is left in the lurch, minding her three unruly children and giant, mad dog. But Harry has a busy career at the Admiralty that requires all his attention, and he has no clue how to manage the little rascals or when his sister is coming back. In desperation, he goes to Miss Prentice’s School for Young Ladies prepared to pay whatever it takes to hire an emergency governess quick sharp to ensure everything in his formerly ordered house is run shipshape again.

Lady Hannah Simmons is a quintessential wallflower, unassuming, dowdy yet ignored by most. But underneath her plain exterior, Hannah is hiding a thrilling secret! Unbeknownst to the rest of the ton, she is Queen Victoria’s leading femme fatale, slipping unnoticed through the streets of London and listening to scandalous whispers from lords and ladies. But with daggers in her stockings and pistols in her pockets, Hannah's mission is to apprehend a deadly killer.

Determined to locate a kidnapped dog, Michael Bromley, Duke of Woriton, isn’t thrilled to be saddled with a flighty female insisting on helping, except that Bitsy has a great deal more sense than he expected—and a sharp tongue to match. Still, what’s a scientist to do but continue to pursue an outcome, however unexpected it may be? But chemistry is all about attraction, and this is one formula with some hilariously romantic results.