It is 1910, and the century is full of change. Sir Thomas Pitt, Head of Special Branch, has persuaded his son, Daniel, to take on his first case as a newly qualified barrister. Having successfully defended his client and made a lifelong friend, Daniel is summoned to the Old Bailey to assist in the defence of renowned biographer Russell Graves, who is accused of the brutal murder and disfigurement of his wife. When the jury finds him guilty, Graves is sentenced to be hanged in 21 days. Graves insists he has been framed....

His name, they tell him, is William Monk, and he is a London police detective. But the accident that felled him has left him with only half a life; his memory and his entire past have vanished. As he tries to hide the truth, Monk returns to work and is assigned to investigate the brutal murder of a Crimean War hero and man about town. Which makes Monk’s efforts doubly difficult, since he’s forgotten his professional skills along with everything else.

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.

Edinburgh, 1911: When Maud McIntyre and her lady’s maid, Daisy, form a detective agency, they never dream their first case will take place at a glamorous house in the Scottish Highlands. But when the duchess of Duddingston, concerned that a notorious jewelry thief will target her lavish weekend party, employs Maud to go undercover as a guest to find the culprit, the agency has its first case to solve....

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

When the body of a young man is found stuffed into the tomb of a medieval knight, Parish Constable Daniel Haze is tasked with investigating his first solo murder case. Suspicion instantly falls on the only stranger to arrive in the village of Birch Hill just before the crime took place, but the American captain proves to be an unexpected asset. A former soldier and a skilled surgeon, Jason Redmond is not only willing to assist Haze with the investigation but will risk his own safety to apprehend the killer.

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.

A reluctant ex-spy with demons of her own, Elinor finds herself facing down one of the most dangerous organized crime gangs in London, ultimately exposing corruption from Scotland Yard to the highest levels of government. The private, quiet “Miss White" as Elinor is known, lives in a village in rural Kent, England, and to her fellow villagers seems something of an enigma. Well she might, as Elinor occupies a "grace and favor" property, a rare privilege offered to faithful servants of the Crown for services to the nation.

Hayley Burke has landed a dream job. She is the new curator of Lady Georgiana Fowling's First Edition library. The library is kept at Middlebank House, a lovely Georgian home in Bath, England. Hayley lives on the premises and works with the finicky Glynis Woolgar, Lady Fowling's former secretary. Mrs. Woolgar does not like Hayley's ideas to modernize The First Edition Society and bring in fresh blood. And she is not even aware of the fact that Hayley does not know the first thing about the Golden Age of Mysteries.

Lincoln Rhyme, former head of NYPD forensics, was the nation's foremost criminalist until an accident left him a quadriplegic. He remains bitter and reclusive after the accident until a criminal report of a corpse found buried on a deserted West Side railroad track catches his attention. His search leads him to the Bone Collector, whose obsession with old New York is apparent in every clue he leaves for Rhyme and partner Amelia Sachs.

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.

Ian Rutledge returns to his career at Scotland Yard after years fighting in the First World War. Unknown to his colleagues he is still suffering from shell shock, and is burdened with the guilt of having had executed a young soldier on the battlefield for refusing to fight. A jealous colleague has learned of his secret and has managed to have Rutledge assigned to a difficult case which could spell disaster for Rutledge whatever the outcome. A retired officer has been murdered, and Rutledge goes to investigate.

Attorney Nate Shepherd left a big firm to go out on his own. He sees nothing but opportunity when an out-of-town lawyer wants to hire him as local counsel on a high-profile murder case. Though his family worries that the case hits too close to home, Nate joins the defense team. When circumstances force him to take on a bigger role, Nate ignores his family’s fears and throws himself into his client’s defense.

May 20, 2019: Homicide detective Mallory is in Edinburgh to be with her dying grandmother. While out on a jog one evening, Mallory hears a woman in distress. She’s drawn to an alley, where she is attacked and loses consciousness. May 20, 1869: Housemaid Catriona Thomson had been enjoying a half-day off, only to be discovered that night in a lane, where she’d been strangled and left for dead. When Mallory wakes up in Catriona's body in 1869, she must put aside her shock and adjust quickly to the reality.

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.

Ian Rutledge returns to his career at Scotland Yard after years fighting in the First World War. Unknown to his colleagues he is still suffering from shell shock, and is burdened with the guilt of having had executed a young soldier on the battlefield for refusing to fight. A jealous colleague has learned of his secret and has managed to have Rutledge assigned to a difficult case which could spell disaster for Rutledge whatever the outcome. A retired officer has been murdered, and Rutledge goes to investigate.

Amory Ames is a wealthy young woman who questions her marriage to her notoriously charming playboy husband Milo. Looking for a change, she accepts a request for help from her former fiance, Gil Trent. Amory accompanies Gil to the luxurious Brightwell Hotel in an attempt to circumvent the marriage of his sister Emmeline to Rupert Howe, a disreputable ladies' man. Amory sees in the situation a grim reflection of her own floundering marriage.

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.

Oxford, 1960. There's a murderer on the loose, and two unlikely heroes are poised to solve the case. Meet Probationary WPC Trudy Loveday - smart, enthusiastic and always underestimated. In the hope of getting her out of the way, Trudy’s senior officer assigns her to help coroner Clement Ryder as he re-opens the case of a young woman's death. She can't believe her luck – she is actually going to be working on a real murder case.

From the brilliant pen of Agatha Christie comes two novels featuring the beloved sleuthing duo: In the The Secret Adversary, Tommy and Tuppence decide to embark on a daring business scheme: Young Adventurers Ltd. But they get more than they bargained for when their first assignment for the sinister Mr. Whittington draws them into a diabolical conspiracy. Set during the dark days of World War II, Agatha Christie’s N or M? puts two most unlikely espionage agents, Tommy and Tuppence Beresford, on the trail of a pair of Nazi spies who have murdered Britain’s top agent.

In the cold Toronto winter of 1895, the naked body of a servant girl is found frozen in a deserted laneway. The young victim was pregnant when she died. Detective William Murdoch soon discovers that many of those connected with the girl's life have secrets to hide. Was her death on attempt to cover up a scandal in one of the city's influential families?

It is 1936, and Lord Peter Wimsey has returned from his honeymoon to set up home with his cherished new wife, the novelist Harriet Vane. As they become part of fashionable London society, they encounter the glamorous socialite Rosamund Harwell and her wealthy impresario husband, Laurence. Unlike the Wimseys they are not in love - and all too soon, one of them is dead. A murder case that only Lord Peter Wimsey can solve.

St Benjamin's Medical School is the greatest of its kind, any death occurring within its walls would have created ripples within the academic world, but the death of Nikki Exner is far from being ordinary. Raped, and then grotesquely executed, her theatrical murder horrifies everyone. John Eisenmenger, a former forensic pathologist, finds himself dragged unwillingly into the case. Teaming up with solicitor Helena Flemming, Eisenmenger sets out to discover what really did happen to Nikki Exner.

In A Conspiracy of Paper, Weaver investigates a crime of the most personal sort: the mysterious death of his estranged father, a notorious stockjobber. To find the answers, Weaver must contend with a desperate prostitute who knows too much about his past, relatives who remind him of his alienation from the Jewish faith, and a cabal of powerful men in the world of British finance who have hidden their business dealings behind an intricate web of deception and violence. Relying on brains and brawn, Weaver uncovers the beginnings of a strange new economic order.

In 1921, the bloodied bodies of Colonel Fletcher, his wife and two staff are found in a manor house in Surrey. The police have put the murders down to a violent robbery, but Detective Inspector Madden from Scotland Yard has his own suspicions. In the meantime the killer is plotting his second strike.

He's insisting he's a Tide Lord and he's begging us to try again...to kill him, that is. When a routine hanging goes wrong, the survivor announces he is Cayal the immortal Prince, a Tide Lord. However, the only known record of the immortal beings of Amyrantha is the Tide Lord Tarot...and everyone knows it is only a parlour-game, an amusement. Arkady Desean, an expert on the legends of the Crasii - a part-animal, part-human race - is sent to interrogate Cayal.

Into Keldale's pastoral web of old houses and older secrets comes Scotland Yard Inspector Thomas Lynley, the eighth earl of Asherton. Along with the redoubtable Detective Sergeant Barbara Havers, Lynley has been sent to solve a savage murder that has stunned the peaceful countryside. For fat, unlovely Roberta Teys has been found in her best dress, an ax in her lap, seated in the old stone barn beside her father's headless corpse. Her first and last words were "I did it. And I'm not sorry".

London, 1851. With the opening of the Great Exhibition at hand, interest in mounting in the engineering triumphs of the railways, but not everyone feels like celebrating. In an audacious attack, the London to Birmingham mail train is robbed and derailed, causing many casualties. Planned with military precision, this crime proves a challenge to Detective Inspector Robert Colbeck who fights to untangle a web of murder, blackmail and destruction.

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....

London. A snowy December, 1888. Sherlock Holmes, 34, is languishing and back on cocaine after a disastrous Ripper investigation. Watson can neither comfort nor rouse his friend - until a strangely encoded letter arrives from Paris. Mlle La Victoire, a beautiful French cabaret star, writes that her illegitimate son by an English lord has disappeared, and she has been attacked in the streets of Montmartre.