When Dr Raymond Ferens moves to a practice at Milham in the Moor in north Devon, he and his wife are enchanted with the beautiful hilltop village lying so close to moor and sky. At first they see only its charm, but soon they begin to uncover its secrets - envy, hatred and malice. Everyone says that Sister Monica, warden of a children's home, is a saint - but is she? A few months after the Ferens' arrival her body is found drowned in the mill-race. Chief Inspector Macdonald faces one of his most difficult cases in a village determined not to betray its dark secrets to a stranger.

On a fine autumn weekend Lord Aveling hosts a hunting party at his country house, Bragley Court. Among the guests are an actress, a journalist, an artist and a mystery novelist. The unlucky 13th is John Foss, injured at the local train station and brought to the house to recuperate - but John is nursing a secret of his own. Soon events take a sinister turn when a painting is mutilated, a dog stabbed and a man strangled. 

Following a mysterious explosion, the offices of Excelsior Joinery Company are no more; the three directors are killed and the peace of a quiet town in Surrey lies in ruins. When the supposed cause of an ignited gas leak is dismissed and the presence of dynamite revealed, Superintendent Littlejohn of Scotland Yard is summoned to the scene. But beneath the sleepy veneer of Evingden lies a hotbed of deep-seated grievances. Confounding Littlejohn's investigation is an impressive cast of suspicious persons, each concealing their own ax to grind.

For the most part, the dead man received public sympathy. A decent, hardworking chap, with not an enemy anywhere. People were surprised that anybody should want to kill Jim. But Jim has been drowned in the Dumb River, near Ely, miles from his Yorkshire home. His body has been discovered before the killer intended – disturbed by a torrential flood. It's up to Superintendent Littlejohn of Scotland Yard to trace the mystery of the murder to its source, leaving waves of scandal and sensation in his wake.

Amateur thief Ted Lyte has chosen an isolated house by the coast for his first robbery. But Haven House is no ordinary country home. While hunting for silverware to steal, Ted stumbles upon a locked room containing seven dead bodies. Detective Inspector Kendall takes on the case with the help of passing yachtsman Thomas Hazeldean. The search for the house's absent owners takes Hazeldean across the Channel to Boulogne, where he finds more than one motive to stay and investigate.

Horniman, Birley and Craine is a highly respected legal firm with clients reaching to the highest in the land. When a deed box in the office is opened to reveal a corpse, the threat of scandal promises to wreak havoc on the firm's reputation - especially as the murder looks like an inside job. The partners and staff of the firm keep a watchful and suspicious eye on their colleagues, as Inspector Hazlerigg sets out to solve the mystery of who Mr Smallbone was - and why he had to die. 

The unloading of a consignment of French wine from the steamship Bullfinch is interrupted by a gruesome discovery in a broken cask leaking sawdust and gold sovereigns. But when the shipping clerk returns with the police, the cask and its macabre contents have gone. Following the clues to Paris, Inspector Burnley of Scotland Yard enlists the help of the genial French detective M. Lefarge to check motives and alibis in their hunt for evidence of a particularly fiendish murder.  

Lady Wainwright presides over the Gothic gloom at Belting, in mourning for her two sons lost in the Second World War. Long afterwards a stranger arrives at Belting, claiming to be the missing David Wainwright, who was not killed after all but held captive for years in a Russian prison camp. With Lady Wainwright's health fading, her inheritance is at stake, and the family is torn apart by doubts over its mysterious long-lost son. Belting is shadowed by suspicion and intrigue, and then the first body is found. 

Jim Henderson is one of six guests summoned by the mysterious Edwin Carson, a collector of precious stones, to a weekend party at his country house, Thrackley. The house is gloomy and forbidding, but the party is warm and hospitable except for the presence of Jacobson, the sinister butler. The other guests are wealthy people draped in jewels; Jim cannot imagine why he belongs in such company. After a weekend of adventure with attempted robbery and a vanishing guest, secrets come to light, and Jim unravels a mystery from his past. 

Lord Comstock is a barbarous newspaper tycoon with enemies in high places. His murder in the study of his country house poses a dilemma for the Home Secretary. In the hours before his death, Lord Comstock’s visitors included the government Chief Whip, an Archbishop, and the Assistant Commissioner for Scotland Yard. Suspicion falls upon them all and threatens the impartiality of any police investigation. Abandoning protocol, the Home Secretary invites four famous detectives to solve the case: Mrs Adela Bradley, Sir John Saumarez, Lord Peter Wimsey, and Mr Roger Sheringham. 

Late summer 1933. After a quarrel with too-plucky-for-her-own-good amateur sleuth Kitty Underhay, dashing ex-army captain Matthew Bryant is nursing his wounds, and a tumbler of brandy, when there’s a heavy knock at the door and he finds himself arrested for murder. The body of aspiring actress Pearl Bright has been found, strangled with one of Matt’s own bootlaces, and the evidence seems to be stacked against him. The local constabulary might have locked Matt up, but before they can throw away the key, Kitty hears the news and hies to his aid, determined to prove his innocence. 

When a signalman discovers a mutilated body inside a railway tunnel near Groote Park, it seems to be a straightforward case of a man struck by a passing train. But Inspector Vandam of the Middeldorp police isn’t satisfied that Albert Smith’s death was accidental, and he sets out to prove foul play in a baffling mystery which crosses continents from deepest South Africa to the wilds of northern Scotland, where an almost identical crime appears to have been perpetrated.

In a gloomy flat off Islington High Street, Chief Inspector Brett Nightingale and Sergeant Beddoes find an old woman dead. The Princess Olga Karukhin, who fled from Russia at the time of the Revolution, has lived in terror of being discovered ever since. Olga's grandson, Ivan, appears to have run from the scene but is later seen returning to the flat as though oblivious to the terrible crime. Taking place between 22nd and 24th December, Nightingale's enquiry takes him across London, culminating in the wrapping up of the mystery on Christmas Eve. 

When Harold Merefield returned home in the early hours of a winter morning from a festive little party at that popular nightclub, the Naxos, he was startled by a gruesome discovery. On his bed was a corpse. There was nothing to show the identity of the dead man or the cause of his death. At the inquest, the jury found a verdict of ‘death from natural causes’ - perhaps they were right, but yet? 

After rising to prominence for his role investigating the case of Jack the Ripper, former Detective Inspector Daniel Wilson is now retired. Known for his intelligence, investigative skills, and most of all his discretion, he's often consulted when a case must be solved quickly and quietly. So when a body is found in the Egyptian collection of the Fitzwilliam Museum in Cambridge, Wilson is called in.