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.

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.

In this dual collection of short stories, Alexander McCall Smith brings his trademark humor and warmth to inventive tales of spying and vengeance. In one story, a spy dropped deep into enemy territory manages to disguise himself—quite convincingly—as a nun. In another, an invitation to join the Vatican Secret Service sends a prospective operative down a rabbit hole of controversy and confusion. A third story finds an author, on the brink of public ruin, seeing the error of his ways after an act of kindness saves the day.

It is 1938 and the final days of the British Empire. In a bungalow high up in the green hills above the plains of Ceylon, under a vast blue sky, live the Ferguson family: Bella, a precocious eight-year-old; her father Henry—owner of Pitlochry, a tea plantation—and her mother Virginia. The story centres around the Pavilion in the Clouds, set in the idyllic grounds carved out of the wilderness. But all is not as serene as it seems. Bella is suspicious of her governess, Miss White’s intentions.

In London’s Pimlico neighborhood lies a tenement described in architectural guides as “a building of no interest whatsoever.” But the residents of Corduroy Mansions—including a literary agent, a wine merchant, a thoroughly unpleasant member of Parliament, and a vegetarian dog—are a rather fascinating lot.