Wayward daughters. Missing husbands. Philandering partners. Curious con men. If you've got a problem, and no one else can help you, then pay a visit to Mma Ramotswe, Botswana's only female private detective. Her methods may not be conventional, and her manner not exactly Miss Marple's, but she's got warmth, wit, and canny intuition on her side - not to mention Mr J.L.B. Maketoni, the charming proprietor of Tlokweng Road Speedy Motors.

Wayward daughters. Missing Husbands. Philandering partners. Curious conmen. If you've got a problem, and no one else can help you, then pay a visit to Precious Ramotswe, Botswana's only - and finest - female private detective. Her methods may not be conventional, and her manner not exactly Miss Marple, but she's got warmth, wit and canny intuition on her side, not to mention Mr J.L.B. Maketoni, the charming proprietor of Tlokweng Road Speedy Motors.

The story revolves around the comings and goings at No. 44 Scotland Street, a fictitious building in a real street in Edinburgh. Immediately recognisable are the Edinburgh chartered surveyor, stalwart of the Conservative Association, who dreams of membership of Scotland's most exclusive golf club. We have the pushy Stockbridge mother, and her prodigiously talented five-year-old son, who is making good progress with the saxophone and with his Italian.

Alexander McCall Smith's hugely popular novels featuring Precious Ramotswe, proprietor of Botswana's only female private detective agency, have become international best sellers. These acclaimed productions, complete with vibrant music, bring the exotic world of the books to life. In these eight episodes, Mma Ramotswe takes on her first case - and a new secretary; tries to solve a bone mystery; tackles a domestic drama and a doctor's erratic behaviour; and investigates the case of a missing American.

Detective Ulf Varg from the Department of Sensitive Crimes is often called upon to investigate unusual matters. But rarely is he asked to conduct an inquiry on behalf of his own family. Is such a thing ethical? Adding to Ulf's moral discomfort is the fact that he does not exactly see eye to eye with his younger brother Bjorn - a leading player in one of Sweden's right-wing parties, the Moderate Extremists. Still, family is family, so Ulf finds himself working to uncover the mole leaking secrets to a rival party, the Extreme Moderates. 

Meet Jenny Starling: travelling cook and reluctant amateur detective. Jenny Starling is catering the 21st birthday party of upper-class twins Alicia and Justin. She arrives at their parents' country house and is immediately met by the police. A young man has drowned in the pond. Was it an accident or murder? But the birthday party goes ahead. Then, just after midnight, everyone gathers for a champagne toast...and one of the guests falls down dead. The police are baffled, and there is a whole party full of suspects. 

Alexander McCall Smith, best-selling author of The No. 1 Ladies' Detective Agency, has turned his hand to humour. The delightful result is a creation of comic genius. For in the unnaturally tall form of Professor Doctor Moritz-Maria von Igelfeld, we are invited to meet a memorable character whose sublime insouciance is a blend of the cultivated pomposity of Frasier Crane and of Inspecteur Clouseau's hapless gaucherie.

Long-suffering child genius Bertie Pollock has much to contend with in the latest instalment of life at 44 Scotland Street, not least the birth of his brother Ulysses. Bertie had hoped that caring for a new baby would command all of his mother's attention, but he quickly sees that his dream of being left to his own devices is not destined to come true.

Despite inhabiting a great city renowned for its impeccable restraint, the extended family of 44 Scotland Street is trembling on the brink of reckless self-indulgence. Matthew and Elspeth receive startling – and expensive – news on a visit to the Infirmary, Angus and Domenica are contemplating an Italian ménage a trois, and even Big Lou is overheard discussing cosmetic surgery.

The delightful, enchanting story of Precious Ramotswe’s very first case, read by Adjoa Andoh. What would you do if someone was stealing things from your friends? Would you try and find out who the thief was? Once upon a time in Botswana in Africa, there was a little girl called Precious. She would grow up to be famous as Precious Ramotswe of the No. 1 Ladies’ Detective Agency, but she had to solve her first mystery while still at school.