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.

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.

Edward Powell lives with his aunt Mildred in the Welsh town of Llwll. His aunt thinks Llwll an idyllic place to live, but Edward loathes the countryside and thinks the company even worse. In fact, Edward has decided to murder his aunt. A darkly humorous depiction of fraught family ties, The Murder of My Aunt was first published in 1934.

London, 1945. The capital is shrouded in the darkness of the blackout, and mystery abounds in the parks after dusk. During a stroll through Regent's Park, Bruce Mallaig witnesses two men acting suspiciously around a footbridge. In a matter of moments, one of them has been murdered; Mallaig's view of the assailant but a brief glimpse of a ghastly face in the glow of a struck match. The murderer's noiseless approach and escape seems to defy all logic, and even the victim's identity is quickly thrown into uncertainty. 

Through the double clamour of Big Ben and the shrill sound of the bell rang a revolver shot. A financier is found shot in the House of Commons. Suspecting foul play, Robert West, a parliamentary private secretary, takes on the role of amateur sleuth. Used to turning a blind eye to covert dealings, West must now uncover the shocking secret behind the man's demise, amid distractions from the press and the dead man's enigmatic daughter. 

Who killed Sir Crispin Gibbons? A wedding invitation and news of mischief that could be murder takes Lennox to the Earl of Bloxford's country estate. He, soon, finds himself in a world of purloined artworks, forgeries, and a priceless Bloxford beauty. But who are the Bloxford beauties? And why are they the focal point around which death swirls?

In the respectable seaside town of Flaxborough, the equally respectable councillor Harold Carobleat is laid to rest. Cause of death: pneumonia. But he is scarcely cold in his coffin before Detective Inspector Purbright, affable and annoyingly polite, must turn out again to examine the death of Carobleat's neighbour, Marcus Gwill, former prop. of the local rag, the Citizen. This time it looks like foul play, unless a surfeit of marshmallows had led the late and rather unlamented Mr Gwill to commit suicide by electrocution. ('Power without responsibility', murmurs Purbright.)  

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.  

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. 

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. 

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. 

Samuel Whitehead, landlord of the Rose and Crown, is a stranger in the lonely East Anglian village of High Eldersham. And when the newcomer is stabbed to death in his pub, it seems that the veil dividing High Eldersham from the outside world is about to be lifted. Detective Inspector Young forms a theory about the case so utterly impossible that merely entertaining the suspicion makes him doubt his own sanity. Surrounded by sinister forces beyond his understanding, he calls on a brilliant amateur and 'living encyclopedia', Desmond Merrion. 

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.  

John Wilkins meets a beautiful, irresistible girl, and his world is turned upside down. Looking at his wife, and thinking of the girl, everything turns red before his eyes - the colour of murder. But did he really commit the heinous crime he was accused of?