Alexander McCall Smith 
The Good Husband Of Zebra Drive 

THE EIGHTH BOOK IN THE BELOVED NO. 1 LADIES” DETECTIVE AGENCY SERIES
The one where Mma Ramotswe”s husband plays detective . . .
At the No. 1 Ladies” Detective Agency there are many new cases for Precious Ramotswe to attend to, including the grave matter of three suspicious deaths at the hospital. But her attention is distracted by domestic problems – for the engagement of Mma Makutsi to Phuti Radiphuti is threatening their friendship.
And, unkown to them both, the good husband of Zebra Drive, Mr J. L. B. Matekoni, has been tempted into some detective work of his own, with disastrous results . . .