THE FOURTH BOOK IN THE BELOVED NO. 1 LADIES' DETECTIVE AGENCY SERIESThe one with the rival detective . . .Mma Ramotswe faces the unexpected and unwelcome appearance in town of a new private detective, Mr Cephas Buthelezi. To ensure she does not lose clients to him, she takes on several cases at once, including those of an errant husband and of a man targeted by ostrich rustlers.Meanwhile, Mma Makutsi has decided to set up a typing school to teach men some useful skills - but Mma Ramotswe fears her secretary is falling under the spell of a man who does not have her best interests at heart . . .