A past kiss with adorably bookish Miss Olivia Norley should be barely a memory for Marlowe Drake, the duke of Thornstock. After all, there are countless debutantes for a handsome rakehell to charm beyond a young lady whose singular passion is chemistry - of the laboratory type. But Thorn has not forgotten - or forgiven - the shocking blackmail scheme sparked by that single kiss, or the damage caused to both their names. Now Thorn’s half brother, Grey, has hired the brilliant Miss Norley for her scientific expertise in solving a troubling family mystery.

Maximilian Cale, the Duke of Lyons, long ago buried his grief for his missing elder brother, Peter. When a mysterious note arrives from Tristan Bonnaud asserting that the Duke's brother is alive, it leads Max straight to the winsome Lisette Bonnaud, illegitimate daughter of a viscount and Tristan's sister.

Oliver Sharpe, the Marquess of Stoneville, has been London's most notorious rake for years. Fed up with his behavior, his grandmother threatens to disinherit him if he doesn't tame his wild ways and wed within the year. Outraged, Oliver decides to hire a woman from a brothel to pose as his fiancée to prove that he can't be forced into marriage.

Along with his stepsiblings, Sheridan Wolfe, Duke of Armitage, is determined to finally solve the mysteries behind the suspicious deaths of their mother's three husbands. Tasked with investigating a possible suspect, Sheridan finds himself in dangerous proximity to her captivating daughter, Vanessa Pryde. But still haunted by a tragically lost love, the duke is resolved to resist the attraction - and avoid any "scheming" husband-hunters. Besides, lovely Miss Pryde seems utterly smitten with a roguish London playwright....

Lady Amelia Plume has many admirers – it’s too bad they’re all fortune hunters and fops who can’t provide the exotic adventures she seeks. But the ballrooms of Mayfair have become much more appealing since the arrival of Major Lucas Winter, an American with a dark past and a dangerous air. Lucas is brash, arrogant – and scandalously tempting. Every thrilling kiss sparks hotter desire, yet Amelia suspects Lucas has a hidden motive in wooing her. And she intends to discover it, by any means necessary.

Self-made civil engineer Geoffrey Brookhouse has unexpectedly inherited the dukedom of Greenwood. But he has a secret that could ruin his family. Hoping to save his timid sister from that fate, he seeks to marry her off to a respectable, protective gentleman. With the London Season imminent, Geoffrey hires Elegant Occasions to orchestrate her debut. Yet Lady Diana Harper, spirited fashion expert, proves more than he bargained for. Suddenly, Geoffrey’s sister is emerging from her shell, and he is beleaguered with social invitations and gossip!

A series of stepfathers and a difficult childhood have left Fletcher “Grey” Pryde, fifth duke of Greycourt, with a guarded heart, enviable wealth, and the undeserved reputation of a rogue. Grey’s focus on expanding his dukedom allows him little time to find a wife. But when his mother is widowed yet again and he meets the charmingly unconventional woman managing his stepfather’s funeral, he’s shocked to discover how much they have in common. Still, Grey isn’t interested in love, no matter how pretty, or delightfully outspoken, the lady....

Born into an aristocratic family, yearning for a life beyond Society’s strictures, Marguerite “Daisy” Townsend is an enterprising sleuth. Hired to obtain proof of a wife’s infidelity, she secures a position in the household of the woman’s lover, never expecting to be lured into the seductive blackguard’s arms herself. Devilishly handsome, David Blackwood, known widely as Bishop, quickly realizes the enticing maid is interested in far more than dusting. She aims to uncover his sins. Although tempted by the dangerous beauty, he can’t risk her learning the truth.

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.

As the daughter of a famed author, Isolde Ophelia Goodnight grew up on tales of brave knights and fair maidens. She never doubted romance would be in her future, too. The storybooks offered endless possibilities. And as she grew older, Izzy crossed them off. One by one by one....Now Izzy's given up yearning for romance. She'll settle for a roof over her head. What fairy tales are left over for an impoverished 26-year-old woman who's never even been kissed?

Since his return from war, the Duke of Ashbury's to-do list has been short and anything but sweet: brooding, glowering, menacing London ne'er-do-wells by night. Now there's a new item on the list. He needs an heir - which means he needs a wife. When Emma Gladstone, a vicar's daughter turned seamstress, appears in his library wearing a wedding gown, he decides on the spot that she'll do.

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.

Someone to Watch Over Me is a classic tale from New York Times bestselling author Lisa Kleypas. In this Regency romance, Kleypas, the author of Seduce Me at Sunrise, tells the story of a scandalous beauty with no memory of who she is and the man determined to unravel the secrets of her past.

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.

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.