"The delightful seventeenth installment of the ever-popular, perennially best-selling No. 1 Ladies' Detective Agency series Precious Ramotswe, Botswana's premier lady detective, is a little short on help. The co-director of the agency, Grace Makutsi, is busy with her own case, her client none other than their erstwhile assistant, Mr. Polopetsi, who has unwittingly involved himself in a pyramid scheme. The agency's other assistant, Charlie, may also...