It’s 1959 and a new killer haunts the streets of London, having baffled Scotland Yard. The newspapers call him The Florist because of the rose he brands on his victims. The police have turned yet again to the Inquirers at Miss Brickett’s for assistance, and second year Marion Lane is assigned the case.

Rhode Island, 1846. Estranged from his family, writer Merritt Fernsby is surprised when he inherits a remote estate in the Narragansett Bay. Though the property has been uninhabited for more than a century, Merritt is ready to call it home—until he realizes he has no choice. With its doors slamming shut and locking behind him, Whimbrel House is not about to let Merritt leave. Ever.

Judith Potts is 77 years old and blissfully happy. She lives on her own in a faded mansion just outside Marlow, there’s no man in her life to tell her what to do or how much whisky to drink, and to keep herself busy she sets crosswords for The Times newspaper. One evening, while out swimming in the Thames, Judith witnesses a brutal murder. The local police don’t believe her story, so she decides to investigate for herself and is soon joined in her quest by Suzie, a salt-of-the-earth dog-walker, and Becks, the prim and proper wife of the local vicar. 

In a peaceful retirement village, four unlikely friends meet weekly in the Jigsaw Room to discuss unsolved crimes; together, they call themselves the Thursday Murder Club. When a local developer is found dead with a mysterious photograph left next to the body, the Thursday Murder Club suddenly find themselves in the middle of their first live case. 

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.

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his 75th 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. The mismatched duo must pick the culprit from a gaggle of preening playboys, scatter-brained spinsters, and irate inspectors in this Agatha-Christie-style whodunnit that will have you racing to spot the killer. 

Grant McAllister, a professor of mathematics, once sat down and worked all the rules out – and wrote seven perfect detective stories to demonstrate. But that was 30 years ago. Now Grant lives in seclusion on a remote Mediterranean island, counting the rest of his days. Until Julia Hart, a brilliant, ambitious editor knocks on his door. Julia wishes to republish his book, and together they must revisit those old stories: An author hiding from his past and an editor keen to understand it.

Billie, Mary Alice, Helen, and Natalie have worked for the Museum, an elite network of assassins, for 40 years. Now their talents are considered old-school and no one appreciates what they have to offer in an age that relies more on technology than people skills.

England, 1920. Eleanor Swift has spent the last few years travelling the world: taking tea in China, tasting alligators in Peru, escaping bandits in Persia and she has just arrived in England after a chaotic 45-day flight from South Africa. Chipstone is about the sleepiest town you could have the misfortune to meet. But then, from the edge of a quarry, through the driving rain, Eleanor is shocked to see a man shot and killed in the distance. Before she can climb down to the spot, the villain is gone and the body has vanished.

London, 1893: High up in a house on a dark, snowy night, a lone seamstress stands by a window. So begins the swirling, serpentine world of Paraic O'Donnell's Victorian-inspired mystery, the story of a city cloaked in shadow but burning with questions: Why does the seamstress choose to jump out of that window? Why is there a cryptic message sewn into her skin? And how is she connected to a rash of missing girls, all of whom seem to have disappeared under similar circumstances? 

Harry Potter has never even heard of Hogwarts when the letters start dropping on the doormat at number four, Privet Drive. Addressed in green ink on yellowish parchment with a purple seal, they are swiftly confiscated by his grisly aunt and uncle. Then, on Harry's eleventh birthday, a great beetle-eyed giant of a man called Rubeus Hagrid bursts in with some astonishing news: Harry Potter is a wizard, and he has a place at Hogwarts School of Witchcraft and Wizardry. An incredible adventure is about to begin! 

The options for the penniless daughter of a deceased earl are few indeed in Regency England. So, following the suspicious death of her father and the discovery that she and her much younger sister have been left without income or home, Lady Caroline takes a post as a lady's companion to the wealthy widow Frogerton. Just as Caroline is getting accustomed to her new position, her aunt, Lady Eleanor Greenwood, invites her and her employer to a house party in the countryside to celebrate her youngest daughter's birthday. But all is not well at the Greenwood estate.

The Earl of Wrexford possesses a brilliant scientific mind, but boredom and pride lead him to reckless behavior. He does not suffer fools gladly. So when pompous, pious Reverend Josiah Holworthy publicly condemns him for debauchery, Wrexford unsheathes his rapier-sharp wit and strikes back. As their war of words escalates, London's most popular satirical cartoonist, A. J. Quill, skewers them both.

Stephen Munro, a demobbed army officer, reconciles himself to taking a job as a footman to make ends meet. Employed at Wintringham Hall, the delightful but decaying Sussex country residence of the elderly Lady Susan Carey, his first task entails welcoming her eccentric guests to a weekend house-party, at which her bombastic nephew—who recognises Stephen from his former life—decides that an after-dinner séance would be more entertaining than bridge. Then Cicely disappears!

London, 1923. Newly minted research assistant Saffron Everleigh is the first woman to hold the position at University College of London. When she attends a dinner party for the school, she expects to engage in conversations about the university's large expedition to the Amazon. What she doesn’t expect is for Mrs. Henry, one of the professors’ wives, to drop to the floor, poisoned by an unknown toxin. Dr. Maxwell, Saffron’s mentor, is the main suspect, and evidence quickly mounts.  

It’s 1959 and a new killer haunts the streets of London, having baffled Scotland Yard. The newspapers call him The Florist because of the rose he brands on his victims. The police have turned yet again to the Inquirers at Miss Brickett’s for assistance, and second year Marion Lane is assigned the case.

On the day she returns to active duty with the Serial Crimes Unit, Detective Inspector Anjelica Henley is called to a crime scene. Dismembered body parts from two victims have been found by the river. The modus operandi bears a striking resemblance to Peter Olivier, the notorious Jigsaw Killer, who has spent the past two years behind bars. When he learns that someone is co-opting his grisly signature - the arrangement of victims’ limbs in puzzle-piece shapes - he decides to take matters into his own hands.

The Everton murder case has long been closed. The culprit has been charged with the murder of his uncle and has served a year of his sentence already. Or has he? The evidence against Geoffrey Grey is convincing but his wife believes in his innocence. And so does her young cousin, Hilary, who decides to solve the mystery herself. But when Hilary herself is nearly murdered she turns in desperation to her ex-fiancé for help. He calls upon the services of Miss Silver to help solve another mystery, which she does in her own original style.

Lord and Lady Baaden-Boomethistle have been in residence for some weeks now, and the villagers are hoping for a return to the good old days, when the lord of the manor sprinkled benefits across the village like fairy dust. Father Max Tudor's invitation to dinner at the Hall comes as a welcome novelty; it will be his first time meeting the famous family that once held sway in the area.

Detective Kara Quinn, on leave from the LAPD, is on an early morning jog in her hometown of Liberty Lake when she comes upon the body of a young nurse. The manner of death shows a pattern of highly controlled rage. Meanwhile in DC, FBI Special Agent Mathias Costa is staffing his newly minted Mobile Response Team. Word reaches Matt that the Liberty Lake murder fits the profile of the compulsive Triple Killer. It will be the first case for the MRT. This time, they have a chance to stop this zealous, if elusive, killer before he strikes again.

The Covington Library is hosting an exhibit featuring John James Audubon's Birds of America. During the gala celebrating the book, Brooklyn is approached by Jared Mulrooney, the president of the National Birdwatchers Society, who urgently needs Brooklyn's skilled hands to repair a less high-profile book of Audubon drawings that's fallen victim to spilled wine. But everything runs afoul when Mulrooney is later discovered dead. Rumors fly about a motive for murder.

Luisa "Lu" Brant is the newly elected - and first female - state's attorney of Howard County, Maryland, a job in which her widower father famously served. Fiercely intelligent and ambitious, she sees an opportunity to make her name by trying a mentally disturbed drifter accused of beating a woman to death in her home. It's not the kind of case that makes headlines, but peaceful Howard County doesn't see many homicides.

Mallory Devereaux is known throughout the town of Royal Flush, Louisiana, as a walking disaster, and her luck just got worse. She needs to raise $10,000 in one week to keep the IRS from seizing her adoptive father’s business, where she works as the demolition foreman. When the opportunity to cool cards at her uncle’s casino comes up, Mallory hopes her luck is changing. But when she realizes her uncle has assembled a tournament of criminals, she wonders what she’s stepped in the middle of.

When the entire collection of the Fireman's Museum ironically goes up in flames, Nell Pratt discovers one of the charred pictures isn't the one that was originally exhibited. But getting to the bottom of the mystery is bound to get Nell burned....

Nina Granville believes her business trip to Alaska will give her a short respite from the merry-go-round that came with her engagement to Congressman Terrence Donnelly. But instead of allowing her the peace she craves, Nina's getaway from the public eye means that no one witnesses her abduction into a very cold hell.

Skye Denison and the rest of Scumble River is celebrating its bicentennial in style - with reenactments, a bingo tent, and a coal-tossing contest. Best of all, the guest of honor is the town founder's great-great-grandnephew, Gabriel Scumble. But his visit turns out to be short-lived when he is found dead. The murder weapon: a pickax. Meanwhile, Skye's ex-fiancée is back in town. But is he here simply to create turmoil in her love life...or does he have a connection to Gabriel's death?

Accident victim Faith Parker has done what her doctors feared she never would: awakened from the coma that held her prisoner for weeks. But she has no memory of the crash that nearly killed her - or the life that led up to it. Nor does she remember journalist Dinah Leighton, the steadfast friend who visited her in the hospital...until she disappeared without a trace.

There's a serial killer targeting the streets of Newcastle, seemingly picking his victims at random but subjecting them all to the same torturous end. When the chief inspector on the case goes missing, it falls on DCI Ryan to track down the man who is brutally murdering women and goading the police to 'catch me if you can'. As everyone becomes a suspect, Ryan and his team get drawn further and further into the case, but for Ryan the nightmare gets closer to home than he could ever have imagined.