Recommendations based on "In Pursuit of the Proper Sinner"

When Daisy Wells and Hazel Wong set up their very own secret detective agency at Deepdean School for Girls, they struggle to find any truly exciting mysteries to investigate. (Unless you count the case of Lavinia's missing tie. Which they don't.) Then Hazel discovers the Science Mistress, Miss Bell, lying dead in the Gym. She assumes it was a terrible accident - but when she and Daisy return five minutes later, the body has disappeared. Now Hazel and Daisy not only have a murder to solve: they have to prove one happened in the first place. Determined to get to the bottom of the crime before the killer strikes again (and before the police can get there first, naturally), Hazel and Daisy must hunt for evidence, spy on their suspects and use all the cunning and intuition they can muster. But will they succeed? And can their friendship stand the test? 'Ripping good fun' The Times 'A skilful blend of golden era crime novel and boarding school romp . . . The novel works both as an affectionate satire and an effective murder mystery, and Stevens can go places Enid Blyton never dreamt of . . . Top class' Financial Times 'Plotting is what sets this book apart; this is about who was where at the time of the murder, and it's about finding the chink in the alibi' Telegraph

When thirteen-year-old Matthew Whately goes missing from Bredgar Chambers, a prestigious public school in the heart of West Sussex, aristocratic Inspector Thomas Lynley receives a call for help from the lad's housemaster, who also happens to be an old school chum. Thus, the inspector, his partner, Detective Sergeant Barbara Havers, and forensic scientist Simon Allcourt-St. James find themselves once again outside their jurisdiction and deeply involved in the search for a child-- and then, tragically, for a child killer. Questioning prefects, teachers, and pupils closest to the dead boy, Lynley and Havers sense that something extraordinarily evil is going on behind Bredgar Chambers's cloistered walls. But as they begin to unlock the secrets of this closed society, the investigation into Matthew's death leads them perilously close to their own emotional wounds-- and blinds them to the signs of another murder in the making....

Investigator Jeri Howard is fascinated by the beautiful horses and the zealous spectators at stylish Edgewater Downs. But behind the scenes, where the owners, trainers, jockeys, and grooms mingle, life is not so pretty. Someone is terrorizing owner-trainer Molly Torrance with sinister phone threats. Who would be so malicious? Jeri's money is on ambitious jockey Benita Pascal, whom Molly recently fired. But what about great horses suddenly losing races? Or the blonde Jeri spies betting a bundle on the longest of long shots? And what about . . . cold-blooded murder? For when death's dark horse hugs the rail, Jeri gallops to find a ruthless killer.

Lord Peter Wimsey, a gentlemen detective, solves twelve baffling murders with clues ranging from a missing will to unexpected footsteps

Murder becomes a family affair...The Lampreys were a charming, eccentric happy-go-lucky family, teetering on the edge of financial ruin. Until the gruesome murder of their uncle-and unpleasant Marquis, who met his untimely death while leaving the Lamprey flat-left them with a fortune. Now it's up to Inspector Roderick Alleyn to sift through the alibis to discover which Lamprey hides a ruthless killer behind an amiable facade...

Knives Out meets Downton Abbey! Secrets, murder, and mayhem collide as this unlikely sleuthing duo--an under-butler and a foul-mouthed octogenarian--hunt a killer in a manor sealed against the end of the world, in this locked-room mystery by #1 New York Times bestselling author Ross Montgomery. Cornwall, 1910. On a remote tidal island, the Viscount of Tithe Hall is absorbed in feverish preparations for the apocalypse that he believes will accompany the passing of Halley's Comet. The Hall must be sealed from top to bottom--every window, chimney, and keyhole closed off before night falls. But what the pompous, dishonest Viscount has failed to take into account is the danger that lies within... By morning, he will be dead in his sealed study, murdered by his own ancestral crossbow. All eyes turn to Steven Pike, Tithe Hall's newest under-butler. Fresh out of Borstal for a crime he didn't commit, he is the wrong man in the wrong place at the wrong time. His unlikely ally? Miss Decima Stockingham, the foul-mouthed, sharp as a tack, eighty-year-old family matriarch. Fearless and unconventional, she relishes chaos and puzzles alike, and a murder is just the thrill she's been waiting for. Together, this mismatched duo must navigate secret passages, buried grudges, and rising terror to unmask the killer before it's too late...

A young female prostitute has been brutally slain and left on top of a grave in a local cemetery. Rhona Macleod—a forensic investigations expert—has no doubt that the depraved killer's motives were sexual. When the removal of the girl's corpse reveals another woman buried secretly underneath, the case takes on a disturbing new dimension. This killer has attacked before, and will certainly strike again. When another girl is reported missing, Rhona knows she must track the killer down herself.

Lady Georgiana “Georgie” Rannoch is just like any other new mother, balancing responsibilities of being 34th in line for the British throne and solving the shocking deaths of several young men, in this new Royal Spyness novel from the queen of historical mystery, Rhys Bowen.Georgie may be figuring out what it means to be a new mother but she does know one thing for sure: she absolutely despises the strict nanny who was foisted upon her by her meddlesome sister-in-law. In search of a new nanny, Georgie travels to London to see her old friend ZouZou only to find her about to depart for a funeral, after the unexpected death of a young man in her social circle. It quickly becomes clear there’s more than one mysterious death around town, when another friend reveals he’s also just returned from the funeral of a school friend, who seemingly died in a boating accident. But when word arrives that the son of family friend has also died tragically and unexpectedly, Georgie is certain it can’t be a coincidence. Yet the victims don’t seem to have any connection to one another.ZouZou shares Georgie’s suspicions that the deaths were not an accident and begs Georgie to solve the case. As Georgie delves deeper, she can’t help worrying that her own husband, Darcy, may be next. It seems likely there is a serial killer at work and Darcy fits the bill to be their next victim. Will Georgie solve the murders before it’s too late for Darcy, and manage to find the perfect nanny all at the same time?

Mrs. Jeffries always keeps her friends close and now must keep an enemy even closer if she is going to catch a killer. . . . Inspector Nigel Nivens is not a nice man or a good investigator. In fact, he’s terrible at his job and has always done everything he can to make life difficult for Inspector Witherspoon. But even his powerful family can’t help him after he maliciously tried to hobble Witherspoon’s last homicide investigation. He’s been sent to a particularly difficult precinct in the East End of London as penance. When a paid informant is found shot in an alley, Nivens thinks that if he can crack the case, he’ll redeem himself and have a much-needed chance at impressing his superiors. But there’s one big problem with his plan—Niven’s distinct antique pistol is found at the scene of the crime and even more evidence is uncovered that links the Inspector to the murder. Despite their mutual dislike for Nivens, Mrs. Jeffries and Inspector Witherspoon know the man isn’t a cold-blooded killer. Now they’ll just have to prove it. . . .

The town of Lincoln is covered in snow--concealing the mortal remains of a clerk who had worked in the local mint. The only clue is a pristine coin stamped with the visage of King Stephen. But Templar Bascot de Marins soon discovers that the motive goes beyond money--and beyond mere murder. Original.