McCall Smith, Alexander, 1948- No. 1 Ladies Detective Agency series.

"Precious Ramotswe is back and, as usual, her plate is full! She's called in to tackle a mysterious disciplinary problem at her adopted daughter's school...Her infinitely trustworthy assistant, Grace Makutsi, is having trouble adjusting to wedded bliss, a problem to test even the formidable talents of Mma Ramotswe...And the estimable Clovis Andersen, author of The Principles of Private Investigation--the No. 1 Ladies' prized manual--has arrived, right there, in Botswana, on a case of his own. Bush tea anyone?"--