When faced with an unwanted marriage, Alice Rosemeyer accepts an invitation to the estate of Larkhall. Determined to earn her future security without a husband, she begins operating as the anonymous Ace of Hearts, writing letters and offering advice on behalf of the men eager to secure a match at the close of the London season. If she can manage to keep her identity secret, her reputation intact, and avoid the arrogant house guest, Mr. Thomas Herring, she might just call herself successful.

Constantly stifled by the rules of Society, spirited Rebecca Rowley enjoys finding ways to quietly - or not so quietly - rebel. But riding bareback and avoiding nosy neighbors are nothing compared to the thrilling secret she is keeping from her family. When Rebecca’s quick thinking saves the life of a young girl, she unwittingly attracts the attention of the child’s dashing brother, Lieutenant Nicholas Avery. As that attention turns flirtatious, Rebecca is forced to tell him the truth: She is secretly engaged - to the one man her family would never approve of.

Caroline Clapham isn’t a world renowned artist—she’s simply a farmer’s daughter possessed of natural talent with a paintbrush. Talent that her mentor, the Countess of Inglewood, is happy to foster for a summer at her beautiful seaside estate. Caroline wants to see the world and commit its beauties to canvas, but she fears that the season will end and she will return home as insignificant as ever. The lure of an adventure and the enchanting Inglewood estate keep her dreams alive, but when she meets Edward Everly and agrees to fake a courtship with him, those dreams begin to change.

Much to her father's dismay, Miss Amelia Buxton aspires to become a spinster, just like her eccentric aunt. Growing up with parents who married for every reason but love, she has never seen a joyful marriage. When Amelia requests a summer trip to the legendary waters of Brighton, her father allows her the excursion, but with one requirement: She must return engaged, or agree to the proposal of the man of his choosing.

Lady Philippa must wed to gain her fortune and freedom. A former soldier wants only peace and seclusion. Marriage to each other is their best solution. While the two put on a show of marital happiness for their neighbors, both realize they want much more from this arrangement. Can they take a marriage of convenience and turn it into a love match?

Margaret Easton needs a husband, and she needs one now. Her parents are convinced that only a European will do, but Margaret wants nothing more than to stay in England. The trouble is that there is only one man Margaret can think of, or rather, one she cannot forget, and he wouldn’t do as a husband at all. Then she finds herself in his care unexpectedly, and her hunt becomes even more complicated than she could have ever imagined.

Marigold Cartwell has only one goal: to defeat her long-time rival on the archery field. She knows she can outshoot irritating, cynical Tristan Gates, but the local bowmen’s society—the one he belongs to—refuses to allow women to compete. Spurred on by their rejection, Marigold decides to start a new society. Naturally, it has only one rule: no men.

Phoebe Kimball grew up believing in love, but after failing to find a gentleman capable of capturing her heart, she has turned more practical than romantic. She is determined to find a husband in London this season. If only the annoying Mr. Fenwick would stop appearing every time she sets her cap at someone! When an anonymous letter arrives warning her that her current target is unsuitable marital material, Phoebe begins a relationship with the letter writer that promises something more than a practical alliance.

He was intrigued...Nathaniel Hammond, Earl of Beverton, is working to restore his new estate and aid his tenants. But everything changes when he meets the beautiful and mysterious Moira Dennison, a bold young woman who offers to hire him, unaware of his title, to help her find her fiancé. Curious and unable to resist, Nathan accepts her offer, keeping his true identity a secret, never dreaming of what the future held for him.

Miss Dinah Ashmore has a problem: her sister has gone missing, and the constable isn’t taking it seriously. She decides to take matters into her own hands by hiring a Bow Street Runner, not understanding the danger she has put herself in. Nathaniel Calvert, Earl of Hawthorne, is an agent of the Crown. His assignment is to root out a radical group and bring them to justice. When Miss Ashmore mistakes him as a Bow Street Runner and explains her plight, he suspects that the missing sister might be connected to his case.

Isobel McEwan has been beholden to her chief for eight years—ever since he took her in and gave her a home after her parents died. So when he asks her to marry a rival laird to aid the clans in finding peace, she has little choice but to agree to his request. The only problem: She’s desperately in love with another man.

A penniless maid determined to save her father, a broken baron bent on isolation, and the undeniable draw between them that could lead to happiness—or disaster.

When Charlotte's grandmother invites her to accompany her to Norfolk, Charlotte jumps at the chance to visit the sea and escape the fuss surrounding her sister's wedding preparations in London. Lord William Cheston, on the other hand, is most unhappy when his mother informs him that her old friend and a granddaughter are coming to stay. Not only is it lambing season, but he's also dealing with the mysterious loss of several sheep. The last thing he needs is a child underfoot.

Left with an estate on the brink of bankruptcy after their father's death, Lady Marigold Fairfax and her brother open a private investigation firm marketed to the elite . . . to spy on the elite. Dubbed The Imposters, Ltd., their anonymous group soon becomes the go-to for the crème of society when they want answers delivered surreptitiously. But the many secrets Marigold learns about her peers pale in comparison to her shock when she and her brother are hired to investigate her best friend's father as a potential traitor.

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?

Much to her father's dismay, Miss Amelia Buxton aspires to become a spinster, just like her eccentric aunt. Growing up with parents who married for every reason but love, she has never seen a joyful marriage. When Amelia requests a summer trip to the legendary waters of Brighton, her father allows her the excursion, but with one requirement: She must return engaged, or agree to the proposal of the man of his choosing.

Gregory Dinard, a young and inexperienced duke, finds himself in need of a companion to help him navigate the intricacies of his new role. Uncertain of his abilities and unwilling to take a chance at love, he looks for a marriage of mutual benefit rather than a match of mutual affection.

When faced with an unwanted marriage, Alice Rosemeyer accepts an invitation to the estate of Larkhall. Determined to earn her future security without a husband, she begins operating as the anonymous Ace of Hearts, writing letters and offering advice on behalf of the men eager to secure a match at the close of the London season. If she can manage to keep her identity secret, her reputation intact, and avoid the arrogant house guest, Mr. Thomas Herring, she might just call herself successful.

When Arabella Grant’s wicked aunt dies suddenly, both Arabella and her cousin Lady Isabelle cannot help but feel relieved. She’d made their lives miserable, and now Lady Issie is free to read to her heart’s content, and Bella is free from taunts about her ignoble birth. Their newfound freedom is threatened, however, when Issie’s great-aunt commands her to travel to London for a come-out Issie has never wanted. Issie, who is in poor health, is convinced she’ll drop dead like her mother did if she drops into a curtsy before the queen.

In the eyes of London Society, Gillian Phelps is suitable enough. Though the ton whispers about her change of residence, any speculation remains just that: ballroom gossip. No one—not even the other Huntresses, the group of ladies she calls her dearest friends—knows that she is harboring a devastating family secret. Gillian has become adept at hiding the reality of her circumstances, but the close quarters of a house party will test her ability to conceal the crushing truth. And with so many people to deceive, the late arrival of another guest is a most unwelcome surprise.

Lady Philippa must wed to gain her fortune and freedom. A former soldier wants only peace and seclusion. Marriage to each other is their best solution. While the two put on a show of marital happiness for their neighbors, both realize they want much more from this arrangement. Can they take a marriage of convenience and turn it into a love match?

Eliza Rose is the perfect lady—accomplished in pianoforte, riding, and multiple languages—until a scandal disrupts her privileged world. The fallen Rose family has struggled to regain their standing until a fortuitous connection helps Eliza re-secure her family’s place in Society, giving her everything she believed she wanted.

Lady Verity wants nothing more than to provide a safe home for her sister, whose simple-mindedness is often misunderstood. When Lady Verity's father and husband both die, passing their house to a stranger, she vows to do whatever she must to ensure her sister's safety. The new earl has a reputation for being a rake, and Lady Verity is prepared to make him an offer he cannot refuse.

As a young woman, Leah Penn-Leith fell hopelessly in love with Captain Fox Carnegie—the only irrational mark on her decidedly sensible life. Fox, unfortunately, did not return her regard. Their story should have ended there—Fox left for India and Leah returned home to Scotland to rear her much younger brothers. Twenty years later, Fox appears on Leah's doorstep—older, scarred, and world-weary—proposing a marriage of convenience between them.

Lady Ludmilla Windmere is mortified. The spinster extraordinaire has fallen in love with her best friend, and that cannot be. The problem? She hasn't met him. Not once. For they have only ever corresponded by letter. When she sets out to uncover his identity, her world shatters. For Addy turns out to be none other but London's worst rake. Adrian St. Addington is perturbed. The rakehell extraordinaire is developing a marked tendre for a spinster, and that cannot be. The problem? She might be mistaking him for someone he is not. Or, what is worse, know precisely who he is.

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.

Lady Madalene Ramsbury has been summoned home from Miss Bell’s Finishing School to some unfortunate news. In three weeks, she is to be married to a man she’s never met. Rather than face a life she does not want; she flees from her own engagement party and elicits help from a most unlikely source. Society’s golden boy, Everett, the Marquess of Northampton, was outraged when a young woman suddenly appeared in his curricle. Was she attempting to trap him into an unwanted marriage? It would be just like some overzealous mother to put her up to such a ploy.

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.

American heiress Emma Dunster has always been fun-loving and independent, with no wish to settle into marriage. She plans to enjoy her Season in London in more unconventional ways than husband hunting. But this time Emma's high jinks lead her into dangerous temptation. Alexander Ridgely, the Duke of Ashbourne, is a notorious rake who carefully avoids the risk of love until he plants one reckless kiss on the sensuous lips of this high-spirited innocent and condemns himself to delicious torment.

Theresia Dvorak has nothing left of her parents—nothing save her dowry, a priceless crystal vase stolen and sold by her own stepmother. Theresia will do anything to secure what is rightfully hers—even assume a false identity and steal her future back. When she gains entrance to a house party and has a memorable run-in with the handsome navel captain Rolland Reese, her mission is compromised.