Homicide is always an abomination, but there is something exceptionally disturbing about the victim discovered in a high, lonely place: a corpse with a mouth full of sand, abandoned at a crime scene seemingly devoid of tracks or useful clues. Though it goes against his better judgment, Navajo tribal police lieutenant Joe Leaphorn cannot help but suspect the hand of a supernatural killer.

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.

In "Murder at the Mousetrap," the first Bunburry book, fudge-making and quaffing real ale in the local pub are matched by an undercurrent of passion, jealousy, hatred and murder - laced with a welcome dose of humour. Alfie McAlister has retreated from London to the peace and quiet of the country to recover from a personal tragedy. But an accidental death - which may have been no accident - reveals that the heart of England is far from the tranquil backwater he imagined.

Chief Inspector Armand Gamache of the Surêté du Québec and his team of investigators are called in to the scene of a suspicious death in a rural village south of Montreal. Jane Neal, a local fixture in the tiny hamlet of Three Pines, just north of the U.S. border, has been found dead in the woods. The locals are certain it’s a tragic hunting accident and nothing more, but Gamache smells something foul in these remote woods, and is soon certain that Jane Neal died at the hands of someone much more sinister than a careless bowhunter.

Still spinning from the hustle and bustle of city life, Jodie ‘Nosey’ Parker is glad to be back in the Cornish village she calls home. Having quit the Met Police in search of something less dangerous, the change of pace means she can finally start her dream catering company and raise her daughter, Daisy, somewhere safer. But there’s nothing quite like having your first job back at home be catering an ex-boyfriend’s wedding to remind you of just how small your village is.

In the sleepy village of Cookingdean, Dr Nell Ward is busy working in the grounds of a local manor house. Whilst inspecting an old tunnel, she did not expect to overhear a murder. As the only person with any clues as to what happened, Nell soon finds herself in the middle of the investigation. Desperate to clear her name Nell, along with her colleague Adam, set out solving the murder using their skills as ecologists to uncover details no one else would notice. But it soon becomes clear that playing Agatha Christie is much harder than it might, at first appear.

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.

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.

Lady Emily Hardcastle is an eccentric widow with a secret past. Florence Armstrong, her maid and confidante, is an expert in martial arts. The year is 1908 and they've just moved from London to the country, hoping for a quiet life. But it is not long before Lady Hardcastle is forced out of her self-imposed retirement. There's a dead body in the woods, and the police are on the wrong scent. Lady Hardcastle makes some enquiries of her own, and it seems she knows a surprising amount about crime investigation...

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.

Meg Langslow's summer is not going swimmingly. In her small Virginia hometown, she's the maid of honor at the nuptials of three loved ones - each of whom has dumped the planning in her hands. One bride is set on including a Native American herbal purification ceremony while another wants live peacocks on the lawn. But when an offensive newcomer, who hints at skeletons in the guests' closets, is found dead under suspicious circumstances, level-headed Meg's to-do list extends from flower arrangements and bridal registries to catching a killer - before the next event is her own funeral.

Cherringham - a quiet town in the Cotswolds. Nothing ever happens there, or so it seems - until one morning a woman's body is found in the river. A terrible accident, according to the police. But is this true? Sarah believes there must be more to it. In Jack, a former NYPD homicide detective, she finds a partner who is willing to start investigating with her. They soon find out that things are not as clear as the police want them to be ... This first - of many cases brings Sarah and Jack together in an unlikely partnership.

Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.

Mma "Precious" Ramotswe sets up a detective agency in Botswana on the edge of the Kalahari Desert, making her the only female detective in the country. At first, cases are hard to come by. But eventually, troubled people come to Precious with a variety of concerns. Potentially philandering husbands, seemingly schizophrenic doctors, and a missing boy who may have been killed by witch doctors all compel Precious to roam about in her tiny van, searching for clues.

The complete BBC Radio adaptations of The No.1 Ladies' Detective Agency featuring Botswana's only female private detective agency, run by the irrepressible Precious Ramotswe. Based on the hugely popular novels and brought to life with music and full casts, these evocative productions return us to Botswana, where Precious has more mysteries to solve.