The tenth installment of this universally beloved and best-selling series finds Precious Ramotswe in personal need of her own formidable detection talents. Mma Ramotswe's ever-ready tiny white van has recently developed a rather disturbing noise. Of course, Mr. J.L.B. Matekoni-her estimable husband and one of Botswana 's most talented mechanics-'"is the man to turn to for help. But Precious sus...