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.

To the casual observer, the great enlightened city of Edinburgh, home of no-nonsense sermons and cream teas, might appear immune to the rollercoaster of strong emotions. But at 44 Scotland Street, as Matthew and Elspeth embark on the risky enterprise of married love, the raffish portrait painter Angus Lordie has a premonition of disaster. Soon enough Irene Pollock is shocked to learn that her small son Bertie harbours a highly unsuitable ambition; and Angus finds himself facing a large Glaswegian gangster.

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.

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.

The life of 79-year-old pensioner Peggy Smart is as beige as the décor in her retirement village. Her week revolves around aqua aerobics and appointments with her doctor. Following a very minor traffic accident, things have turned frosty with her grown-up children, and she is afraid they are trying to take away her independence. Noticing her memory isn't what it used to be, Peggy is taking ever more inventive steps to cover up her dwindling faculties.

When writer Paul Stewart heads to the idyllic Italian town of Montalcino to finish his already late book, it seems like the perfect escape from stressful city life. Upon landing, however, things quickly take a turn for the worse when he discovers his hired car is nowhere to be found. With no record of any reservation and no other cars available, it looks like Paul is stuck at the airport. That is, until an enterprising stranger offers him an unexpected alternative.

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.

Amateur sleuth Isabel Dalhousie is a philosopher who uses her training to solve unusual mysteries. She edits the Review of Applied Ethics, addressing such questions as "Truth telling in sexual relationships", and she also hosts The Sunday Philosophy Club at her house in Edinburgh. Behind the city's Georgian facades, its moral compasses are spinning with greed, dishonesty, and murderous intent.

Jack's a retired ex-cop from New York, seeking the simple life in Cherringham. Sarah's a Web designer who's moved back to the village find herself. But their lives are anything but quiet as the two team up to solve Cherringham's criminal mysteries. This compilation contains episodes 1 - 3: MURDER ON THAMES, MYSTERY AT THE MANOR and MURDER BY MOONLIGHT.

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.