Frances Wynn, the American-born Countess of Harleigh, enjoys more freedom as a widow than she did as a wife. After an obligatory year spent mourning her philandering husband, Reggie, she puts aside her drab black gowns, leaving the countryside and her money-grubbing in-laws behind. With her young daughter in tow, Frances rents a home in Belgravia and prepares to welcome her sister, Lily, arriving from New York - for her first London season.

June 1933. Independent, young Kitty Underhay has been left in charge of her family’s hotel, The Dolphin, on the tranquil English coast. But when several rooms are broken into and searched, including Kitty’s own, she quickly realizes that something out of the ordinary is afoot at the hotel. Soon, rumors are flying in the cozy town that someone is on the hunt for a stolen ruby. A ruby that Kitty’s mother may well have possessed when she herself went missing during the Great War.

England, 1865: Newspaper columnist Lady Katherine Bascomb finds herself the subject of speculation when her latest article leads to an arrest in the murders plaguing London. The English believe women ought not to write about such vulgar things as crime, and a particularly attractive detective inspector is incensed that she's interfered with his investigation. To escape her sudden notoriety, Katherine heads to the country - only to witness a murder upon her arrival.

At the end of her first unsuccessful season out in society, Lady Georgiana has all but given up on attracting a suitable man - until she receives an invitation to a masked Halloween ball at Broxley Manor. Georgie is uncertain why she was invited, until she learns that the royal family intends to marry her off to a foreign prince, one reputed to be mad.

Twenty-six-year-old Beatrice Hyde-Clare is far too shy to investigate the suspicious death of a fellow guest in the Lake District. A spinster who lives on the sufferance of her relatives, she would certainly not presume to search the rooms of her host's son and his friend looking for evidence. Reared in the twin virtues of deference and docility, she would absolutely never think to question the imperious Duke of Kesgrave about anything, let alone how he chose to represent the incident to the local constable. And yet that's exactly what she does.

The daughter of a baronet and minor heiress, Rosalind Thorne was nearly ruined after her father abandoned the family. To survive in the only world she knew, she began to manage the affairs of some of London society's most influential women, who rely on her wit and discretion. So when artistocratic wastrel Jasper Aimesworth is found dead in London's most exclusive ballroom, Almack's, Rosalind must use her skills and connections to uncover the killer.

Lady Emily Hardcastle is an eccentric widow with a secret past. Florence Armstrong, her maid and confidante, is an expert in martial arts. The year is 1908 and they've just moved from London to the country, hoping for a quiet life. But it is not long before Lady Hardcastle is forced out of her self-imposed retirement. There's a dead body in the woods, and the police are on the wrong scent. Lady Hardcastle makes some enquiries of her own, and it seems she knows a surprising amount about crime investigation...

Librarian Sylvia Ashe knows nothing about her past, having grown up without a father and a mother who refused to discuss him. When she stumbles upon a diary that suggests she's descended from magicians, she's skeptical. After all, magicians are special, and she's just an ordinary woman who loves books. She seeks answers from a member of the most prominent family of magicians, but she quickly learns that finding the truth won't be easy, especially when he turns out to be as artless as her, and more compelling and dangerous than books.

Spring, 1905: Free-spirited like the Thoroughbreds she rides across the Kentucky countryside, Stella takes adventure by the reins when she's asked to attend a mysterious wedding in rural England. But once she arrives at the lush Morrington Hall estate, her cold and ambitious father confesses that he won't only give away his best racehorses as gifts - he has also arranged to give away his daughter as bride to the Earl of Atherly's financially strapped son. Stella refuses to be sold off like a prized pony. Yet despite a rough start, there's something intriguing about her groom-to-be.

December 1899. After the death of her beloved grandmother, Cleopatra Fox moves into the luxury hotel owned by her estranged uncle in the hopes of putting hardship and loneliness behind her. But the poisoning of a guest on Christmas eve throws her new life, and the hotel, into chaos. Cleo quickly realizes no one can be trusted, not Scotland Yard and especially not the hotel’s charming assistant manager.

As the city prepares to celebrate Queen Victoria's golden jubilee, Veronica Speedwell is marking a milestone of her own. After burying her spinster aunt, the orphaned Veronica is free to resume her world travels in pursuit of scientific inquiry - and the occasional romantic dalliance. As familiar with hunting butterflies as she is fending off admirers, Veronica wields her butterfly net and a hatpin with equal aplomb, and with her last connection to England gone, she intends to embark upon the journey of a lifetime.

Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.

After losing his leg to a land mine in Afghanistan, Cormoran Strike is barely scraping by as a private investigator. Strike is down to one client, creditors are calling, and after a breakup with his longtime girlfriend, he’s living in his office. Then John Bristow walks through his door with a shocking story: His sister, the legendary supermodel Lula Landry - known to her friends as the Cuckoo - famously fell to her death a few months earlier.

England, 1924. Lady Adelaide Compton has recently (and satisfactorily) interred her husband, Major Rupert Charles Cressleigh Compton, hero of the Somme, in the family vault in the village churchyard. Rupert died by smashing his Hispano-Suiza on a Cotswold country road while carrying a French mademoiselle in the passenger seat. With the house now Addie's, needed improvements in hand, and a weekend house party underway, how inconvenient of Rupert to turn up - not in the flesh, but as a spirit! Rupert has to perform a few good deeds before becoming welcomed to heaven.

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.

England. 1923. After a year away at finishing school where she learned etiquette, deportment, and the difference between a fish fork and a salad one, Kitty Worthington is eager to return home. But minutes after she and her brother Ned board the Golden Arrow, the unthinkable happens. A woman with a mysterious connection to her brother is poisoned, and the murderer can only be someone aboard the train. When Scotland Yard hones on Ned as the main suspect, Kitty sets out to investigate.

Grace Sinclair has been callously cast out of her home. And though taken in as an orphaned child by the vicar and his wife, her unsurpassed beauty makes it impossible for her to remain in the vicar’s household - with two daughters of their own about to enter Society, the vicar and his wife see Grace as nothing but competition. Thankfully, Grace’s estranged Aunt Bell has agreed to take her in to her home in London. But Grace soon learns her situation has just gotten much worse.

Lady Sophronia Bremerton is a far cry from the typical debutante, but she’s the toast of London’s upper class for one simple reason: she’s a society columnist for the London Illustrated News, and the gentry loves seeing their exploits printed in the gossip pages. But Sophie has bigger plans - she aspires to be an investigative reporter. When a stuffy ballroom during yet another Season proves to be nothing more than the usual rumor mill, Sophie seeks respite in the library, alongside four other young women who, for their own reasons, are also looking for escape.

Georgiana Escott has one night to find the perfect man to ruin her and leave her with a tattered reputation so she can avoid an arranged marriage to an aging, despicable roue. With a misstep, she tumbles into the arms of the disgraced and dashing Lord Danvers. But Georgie doesn't know that the lover she has enticed to follow her into the night and the stranger she holds responsible for her misfortunes are in the same....

Penelope Ashford, Portia Cynster's younger sister, has devoted her life to the care of orphans. But lately, her charges seem to be disappearing without a trace. Penelope enlists investigator Barnaby Adair to solve the mystery. Adair agrees, intrigued by both the case and by Penelope.

Heartbroken by the loss of her brother, Miss Leonora Craven vows to uncover the truth about his "accident", which seems to have been anything but. Jonathan Craven was involved with the Lords of Anarchy, a notorious driving club, and Leonora can't help but suspect foul play. But the only way she can infiltrate their reckless inner circle is to enlist the help of Jonny's closest ally, Lord Frederick Lisle. If only he didn't also happen to be the man who broke Leonora's heart....

Camille, Lady Lydingham, knows precisely what she wants for Christmas - an official engagement to a handsome, dashing prince. Her very proper suitor expects a proper English family and the perfect Dickensian Christmas, which leaves the lovely widow with a slight problem. The last thing Camille wants is for the prince to meet her unconventional relatives. But with the aid of a troupe of actors, Camille intends to pull off a Christmas deception of massive proportions. At least until Grayson Elliot shows up....

When scholarly Miss Ivy Wareham receives word that she's one of four young ladies who have inherited Lady Celeste Beauchamp's estate with a magnificent private library, she packs her trunks straightaway. Unfortunately, Lady Celeste's nephew, the rakish Quill Beauchamp, Marquess of Kerr, is determined to interrupt her studies one way or another.... Bequeathing Beauchamp House to four bluestockings - no matter how lovely they are to look at - is a travesty, and Quill simply won't have it.

Katherine Cartwright knows through bitter experience that true love is fiction and trust should not be bestowed easily. Now, after two unsuccessful London Seasons, her atrocious father has decided to marry her off to the highest bidder to pay for his gambling debts, ridding himself of the daughter he never wanted. A profitable deal is struck, and Kate is packed off to the home of her betrothed, an earl she has never met. Or so she believes.

Fitzwilliam Darcy’s troubles only began the day he witnessed his father’s murder. Betrayed by a trusted friend, he soon finds himself caught in a web of deceit and blackmail…and his little sister is in the center of it all. Will Darcy’s search for answers save what’s left of his family…or destroy it?

Lady Barbara Jeffords is certain her little sister didn't murder the footman, no matter how it looks...and no matter what the Marquess of Beningbrough - Ben - might say. Sparks fly as Ben and Barbara compete to defend their loved ones. But as strange new clues emerge that neither can decipher alone, they have no choice but to compare notes and sleuth in tandem. A tenuous bond develops that soon faces its toughest challenge when Ben himself becomes a suspect.

At 30 years of age, Susan Jennings has long been considered a spinster. Exceptionally intelligent, she has little tolerance for London and the dreaded Season - if that’s how one is expected to find love, it’s not for her. But when an invitation arrives that cannot be ignored, Susan leaves her comfortable life in the country and enters the fashion and frivolity she most despises. She quickly discovers, however, that there is more to loathe in London - and his name is George Kendall.

For Emily, accepting the proposal of Philip, the viscount Ashton, was an easy way to escape her overbearing mother, who was set on a grand society match. So when Emily's dashing husband died on safari soon after their wedding, she felt little grief. After all, she barely knew him. Now, nearly two years later, she discovers that Philip was a far different man from the one she had married so cavalierly.

Sequestered in her Aunt and Uncle Gardiner's London home, Elizabeth Bennet tries to recover from a devastating incident that stole her memories during their Derbyshire tour. She continues to suffer from strange, angry voices in her head and to recall events that people tell her never happened. Even those who love her refuse to believe her. Elizabeth can barely endure the confusion.

Major Robert Kurland has returned to the quiet vistas of Kurland St. Mary to recuperate from the horrors of Waterloo. However injured his body may be, his mind is as active as ever. Too active, perhaps. When he glimpses a shadowy figure from his bedroom window struggling with a heavy load, the tranquil façade of the village begins to loom sinister....

Frances Wynn, the American-born Countess of Harleigh, enjoys more freedom as a widow than she did as a wife. After an obligatory year spent mourning her philandering husband, Reggie, she puts aside her drab black gowns, leaving the countryside and her money-grubbing in-laws behind. With her young daughter in tow, Frances rents a home in Belgravia and prepares to welcome her sister, Lily, arriving from New York - for her first London season.

England, 1865: Newspaper columnist Lady Katherine Bascomb finds herself the subject of speculation when her latest article leads to an arrest in the murders plaguing London. The English believe women ought not to write about such vulgar things as crime, and a particularly attractive detective inspector is incensed that she's interfered with his investigation. To escape her sudden notoriety, Katherine heads to the country - only to witness a murder upon her arrival.

Lady Katherine would rather chase clues than suitors. Her reputation as a matchmaker could give her the cover she needs to follow in her detective father's footsteps. If she catches the Pink Ribbon Killer before he strikes again, she'll win her dowry and her independence in the process. One look through the exclusive Northbrooke estate house party doubles her suspect list. With the help of her trusty maid and her precocious pug, Katherine risks it all to unmask the killer. But is winning her freedom worth putting another debutante in mortal danger?

The daughter of a baronet and minor heiress, Rosalind Thorne was nearly ruined after her father abandoned the family. To survive in the only world she knew, she began to manage the affairs of some of London society's most influential women, who rely on her wit and discretion. So when artistocratic wastrel Jasper Aimesworth is found dead in London's most exclusive ballroom, Almack's, Rosalind must use her skills and connections to uncover the killer.

The lifeblood of the Wiltshire village of Ivy Hill is its coaching inn, The Bell. But when the innkeeper dies suddenly, his genteel wife, Jane Bell, becomes the reluctant owner. Jane has no notion of how to run a business. However, with the town's livelihood at stake and a large loan due, she must find a way to bring new life to the inn. Despite their strained relationship, Jane turns to her resentful mother-in-law, Thora, for help.

The year is 1920: Flying in the face of convention, legendary American adventuress Beryl Helliwell never fails to surprise and shock. The last thing her adoring public would expect is that she craves some peace and quiet. The humdrum hamlet of Walmsley Parva in the English countryside seems just the ticket. And, honestly, until America comes to its senses and repeals Prohibition, Beryl has no intention of returning stateside and subjecting herself to bathtub gin.

Summer is busy season for Mackenzie "Mac" Almeida's bicycle shop, nestled in the quaint, seaside hamlet of Westham, Massachusetts. She's expecting an influx of tourists at Mac's Bikes; instead she discovers the body of Jake Lacey. Mac can't imagine anyone stabbing the down-on-his-luck handyman. However, the authorities seem to think Mac is a strong suspect after she was spotted arguing with Jake just hours before his death. Mac knows she didn't do it, but she does recognize the weapon - her brother Derrick's fishing knife.

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his seventy-fifth birthday. But when someone starts bumping off members of his scheming family, the old man enlists his teenage grandson to help find the killer, before one of them is next.

After a routine delivery, midwife Sarah Brandt visits her patient in a rooming house and finds that another boarder, a young girl, has been killed. At the request of sergeant Frank Malloy, she searches the girl's room and discovers that the victim is from one of the most prominent families in New York - and the sister of an old friend. The powerful family, fearful of scandal, refuses to permit an investigation. But with Malloy's help, Sarah begins a dangerous quest to bring the killer to justice before death claims another victim.

Portland is famous for its rain, hipsters, craft beers...and coffee. Sage Caplin has high hopes for her coffee cart, Ground Rules, which she runs with her business partner, Harley - a genius at roasting beans and devising new blends. That's essential in a city where locals have intensely strong opinions about cappuccino versus macchiato - especially in the case of one of Sage's very first customers. Sage finds the man's body in front of her cart, a fatal slash across his neck.