Tess Oliver's "Cole," Garth Risk Hallberg's "City on Fire" and Alexander McCall Smith's "The Woman Who Walked in Sunshine" are some of the best-selling urban books from 2015, according to Amazon.com. Each book debuted in October of 2015.
"The Woman Who Walked in Sunshine" is the sixteenth book in Smith's best-selling "No. 1 Ladies' Detective Agency" novel series about a fictional female detective agency in Gaborone,
Botswana. Mma Precious Ramotswe, the founder of the agency, is the main protagonist of the series. In "The Woman Who Walked in Sunshine," she takes a vacation from the agency and finds herself helping a young boy named Samuel, who is in trouble. Meanwhile, the agency begins work on a complicated case involving a politician's daughter.