from the back of the book:
There is rarely a dull moment in the life of Precious Ramotswe, and on Zebra Drive and Tlokweng Road many changes are afoot. Mr. J.L.B. Matekoni wants be put in charge of a case involving an errant husband, and Mma Makutsi is considering leaving the agency, taking her near perfect score on the Botswana Secretarial College typing exam with her. Meanwhile, Mma Ramotswe has been asked to investigate a series of unexpected deaths at the hospital in Mochudi. Along the way, she encounters other tricky mysteries, and once again displays her undying love for Botswana, a country of which she is justly proud.
I've read the others: