Set in Botswana, The No. 1 Ladies' Detective Agency by Alexander McCall Smith introduces the fabulous Precious Ramotswe, who's devoted to helping people sort out their personal problems. With the help of her assistant, Grace Makutsi, Botswana's premier "lady detective" takes on cases from her storefront in Gaborone, and with a whopping 21 books in the series, you're in for a long and hilarious journey.