The No. 1 Ladies' Detective Agency — Alexander McCall Smith (1998)

Alexander McCall Smith's debut novel about Precious Ramotswe, Botswana's first female detective, became one of the most beloved mystery series in the world — a gentle, humanist, deeply African detective story that found 20 million readers who valued its warmth and moral seriousness over conventional thriller violence. It demonstrated that crime fiction need not be dark to be profound.