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.

As the beloved stepdaughter of the Earl of Castleton, Lady Mariah Lyons cherishes her home at Plumford Manor, but her idyllic world will be threatened when the estate passes to Cyril Lightbourne, a childhood friend she hasn’t seen or heard from in years. Once, Mariah dreamed their friendship would kindle into something more, but that was before she heard Cyril was courting the cruelhearted Lady Pearl. Now Mariah is willing to welcome him as a friend and pray he will be the heir her stepfather needs, but she’ll keep her heart locked safely away from anyone with such poor taste.

1906: Lady Elizabeth “Libby” Sinclair, with her love of microscopes and nature, isn’t favored in society. She flees to the beautiful Isles of Scilly for the summer and stumbles onto the dangerous secrets left behind by her holiday cottage’s former occupant, also named Elizabeth, who mysteriously vanished. Oliver Tremayne - gentleman and clergyman - is determined to discover what happened to his sister, with the help of the girl now living in what should have been Beth’s summer cottage...especially when he realizes it’s the curious young lady he met briefly two years ago.

Cordelia Owens can weave a hopeful dream around anything and is well used to winning the hearts of everyone in Savannah with her whimsy. Even when she receives word that her sweetheart has been lost during a raid on a Yankee vessel, she clings to hope and comes up with many a romantic tale of his eventual homecoming to reassure his mother and sister.

Peter Holstein writes his popular series of adventure novels under a pen name. With European politics boiling and his own neighbors suspicious of him, Peter debates whether it might be best to change his name for good. When Rosemary shows up at his door pretending to be a historian and offering to help him trace his family history, his question might be answered. But as the two work together and Rosemary sees his gracious reaction to his neighbors' scornful attacks, she wonders if her assignment is going down the wrong path.

When their father's death leaves them impoverished, Sarah Summers and her genteel sisters fear they will be forced to sell the house and separate to earn livelihoods as governesses or companions. Determined to stay together, Sarah convinces them to open their seaside home to guests to make ends meet and provide for their ailing mother. Instead of the elderly invalids they expect to receive, however, they find themselves hosting eligible gentlemen. Sarah is soon torn between a growing attraction to a mysterious Scottish widower and duty to her family.

Winter Reeves is an aristocratic Patriot forced to hide her heart amid the Loyalists of the City of New York. She has learned to keep her ears open so she can pass information on British movements to Robbie Townsend, her childhood friend, and his spy ring. Bennet Lane returns to New York from his Yale professorship with one goal: to find General Washington's spy hidden among the ranks of the elite. Both believers...and both committed to a separate cause. Will their faith in God lead them to a shared destiny or lives lived apart?

In 1942, Evie Farrow is used to life on Ocracoke Island, where every day is the same—until the German U-boats haunting their waters begin to wreak havoc. And when special agent Sterling Bertrand is washed ashore at Evie's inn, her life is turned upside down. While Sterling's injuries keep him inn-bound for weeks, making him even more anxious about the man he's tracking, he becomes increasingly intrigued by Evie, who seems to be hiding secrets of her own.

Three years into the Great War, England's greatest asset is their intelligence network - field agents risking their lives to gather information, and codebreakers able to crack every German telegram. Margot De Wilde thrives in the environment of the secretive Room 40, where she spends her days deciphering intercepted messages. But when her world is turned upside down by an unexpected loss, for the first time in her life numbers aren't enough.

Haunted by the death of her sister, Finola Shanahan has resolved that she's not worthy of a family of her own and commits to spending her days caring for immigrants in the slums. Unwilling to consider marriage, Finola has perfected the ability to sabotage the relationships her parents arrange for her. At wit's end, her father calls upon the local Irish matchmaker, who pairs her with successful wagonmaker Riley Rafferty.

Arden Bleu has always known that her stepsister, Jade, was destined for great things. In a world where beauty follows magic, she has no doubt that their upcoming Awakening ceremony will reveal that gorgeous, kind, compelling Jade is far more than a mere mortal. But when Jade is kidnapped by a mysterious sect of mer on the eve of the newly-returned king's ball, Arden will do anything to save her sister. Even face down the man she's always dreaded meeting because of the power he holds over her family, the man to whom her father swore loyalty long before she was born.

The only way Cilla van der Zee can survive the German occupation of the Netherlands is to do the unthinkable—become a spy for the Nazis in Britain. She soothes her conscience with a plan to abandon her mission and instead aid the Allies. Her scheme is thwarted when naval officer Lt. Lachlan Mackenzie finds her along the Scottish shore and turns her in to be executed. But perhaps she is more useful alive than dead.

Determined to support her mother and sisters after her father's untimely death, Charlotte Mandeville covertly crafts satirical caricatures of high society. It not only puts money in her family’s bare pockets, but ensures the haut-ton cannot guard all the power and the secrets. Anthony Yorke has a guilty conscience and a brother to exonerate. When the key piece of evidence to clear his brother's name falls into the hands of a headstrong young woman, he is willing to do whatever is required to obtain it from her.

After eight years in India, Oxford's most eligible bachelor, Edmund Price, has come out of the shadows to run for Parliament and is in search of an Egyptologist to value a newly acquired collection. Expecting a renowned Oxford professor, Edmund instead finds himself entangled with Ami, the professor's determined daughter. As they delve into the treasures, their connection deepens, but trouble emerges when a golden griffin—rumored to bear the curse of Amentuk—surfaces, and they're left to wonder if the curse really is at play, or if something more nefarious is hiding among the shadows . . .

In 1774, Juliet Catesby lives with her father and sister at Royal Vale, the James River plantation founded by her Virginia family over a century before. Indigo cultivation is her foremost concern, though its export tethers her family to the powerful Buchanan clan of Glasgow, Scotland. When the heir of the Buchanan firm arrives on their shores, Juliet discovers that her father has secretly arranged for one of his daughters to marry the Scot as a means of canceling the family's debt. Confident it will be her younger, lovelier sister, Juliet is appalled when Leith Buchanan selects her instead.

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.

Cordelia Owens can weave a hopeful dream around anything and is well used to winning the hearts of everyone in Savannah with her whimsy. Even when she receives word that her sweetheart has been lost during a raid on a Yankee vessel, she clings to hope and comes up with many a romantic tale of his eventual homecoming to reassure his mother and sister.

In 1942, Evie Farrow is used to life on Ocracoke Island, where every day is the same—until the German U-boats haunting their waters begin to wreak havoc. And when special agent Sterling Bertrand is washed ashore at Evie's inn, her life is turned upside down. While Sterling's injuries keep him inn-bound for weeks, making him even more anxious about the man he's tracking, he becomes increasingly intrigued by Evie, who seems to be hiding secrets of her own.

As the beloved stepdaughter of the Earl of Castleton, Lady Mariah Lyons cherishes her home at Plumford Manor, but her idyllic world will be threatened when the estate passes to Cyril Lightbourne, a childhood friend she hasn’t seen or heard from in years. Once, Mariah dreamed their friendship would kindle into something more, but that was before she heard Cyril was courting the cruelhearted Lady Pearl. Now Mariah is willing to welcome him as a friend and pray he will be the heir her stepfather needs, but she’ll keep her heart locked safely away from anyone with such poor taste.

Arden Bleu has always known that her stepsister, Jade, was destined for great things. In a world where beauty follows magic, she has no doubt that their upcoming Awakening ceremony will reveal that gorgeous, kind, compelling Jade is far more than a mere mortal. But when Jade is kidnapped by a mysterious sect of mer on the eve of the newly-returned king's ball, Arden will do anything to save her sister. Even face down the man she's always dreaded meeting because of the power he holds over her family, the man to whom her father swore loyalty long before she was born.

Beth Tremayne has always been drawn to adventure. During her childhood, she fed that desire by exploring every inch of the Isles of Scilly. As an adolescent, she dreamed of love in London's ballrooms. Now, stumbling across an old map on her family's property, she's found more adventure than she ever craved in the hunt for pirate treasure. Unfortunately, Beth can't escape the attentions of her family's guest, Lord Sheridan.

Paris, 1940. Ever since the Nazi Party began burning books, German writers exiled for their opinions or heritage have been taking up residence in Paris. There they opened a library meant to celebrate the freedom of ideas and gathered every book on the banned list . . . and even incognito versions of the forbidden books that were smuggled back into Germany. For the last six years, Corinne Bastien has been reading those books and making that library a second home. But when the German army takes possession of Paris, she loses access to the library and all the secrets she’d hidden there.

Miss Gwendolyn Brinley accepted a temporary paid companion position for the Newport summer season, believing it would be a lark to spend the summer in America's most exclusive town. She suddenly finds her summer turning anything but amusing when her employer expects her to take over responsibilities as an assistant matchmaker. Tasked with the daunting prospect of attaining advantageous matches for her clients, Gwendolyn soon finds herself in the company of Mr. Walter Townsend, the catch of the Season, but a gentleman Gwendolyn finds beyond annoying.

Peter Holstein writes his popular series of adventure novels under a pen name. With European politics boiling and his own neighbors suspicious of him, Peter debates whether it might be best to change his name for good. When Rosemary shows up at his door pretending to be a historian and offering to help him trace his family history, his question might be answered. But as the two work together and Rosemary sees his gracious reaction to his neighbors' scornful attacks, she wonders if her assignment is going down the wrong path.

Katherine Schneider’s life as a dentist in 1913 New York is upended when a patient reveals details of a deadly plot while under the influence of laughing gas. As she is plunged into danger, she seeks help from the dashing Lieutenant Jonathan Birch, a police officer she has long admired from afar.

Three years into the Great War, England's greatest asset is their intelligence network - field agents risking their lives to gather information, and codebreakers able to crack every German telegram. Margot De Wilde thrives in the environment of the secretive Room 40, where she spends her days deciphering intercepted messages. But when her world is turned upside down by an unexpected loss, for the first time in her life numbers aren't enough.

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.

In 1910, Effie James is committed to doing anything to save her younger sister, who witnessed a shocking murder, leaving her mute and in danger of the killer’s retribution. Effie must prove what her sister saw, but when a British gentleman arrives, he disrupts Effie’s quest with his attempts to locate his wife, Isabelle Addington, who was last seen at the supposed crime scene in the abandoned house at 322 Predicament Avenue.

In 1783 peace has been declared, but war still rages in the heart of Lark Benton. Never did Lark think she’d want to escape Emerson Fielding, the man she’s loved all her life. But when he betrays her, she flees Williamsburg for Annapolis, taking refuge in the nation’s temporary capital. There lark throws herself into a new circle of friends who force her to examine all she believes. Emerson follows, determined to reclaim his betrothed. Surprised when she refuses to return with him, he realizes that in this new nation he has come to call his own, duty is no longer enough.

Haunted by the death of her sister, Finola Shanahan has resolved that she's not worthy of a family of her own and commits to spending her days caring for immigrants in the slums. Unwilling to consider marriage, Finola has perfected the ability to sabotage the relationships her parents arrange for her. At wit's end, her father calls upon the local Irish matchmaker, who pairs her with successful wagonmaker Riley Rafferty.