Tears of the Giraffe by Alexander McCall Smith
THE SECOND BOOK IN THE BELOVED NO. 1 LADIES' DETECTIVE AGENCY SERIES
The one where Precious gains a new family . . .
Mma Ramotswe of the No. 1 Ladies' Detective Agency is hoping to set up home with Mr J.L.B. Maketoni. But first she must deal with his scheming, misbehaving maid. She also has to confront the most difficult case of her career so far: that of an American who went missing ten years ago, and about whom all leads have long since dried up.
Then there are not one, but two sudden additions to Mma's family . . .