John Buntin, who writes about the 20th-century relationship between organized crime and the Los Angeles Police Department in "L.A. Noir," takes Kai Ryssdal on a tour of the city's downtown and points out things that haven't changed much.
Today's young adults have a great deal of spending power. Steve Chiotakis talks to author Kit Yarrow, whose book "Gen Buy" explores how teens and 20-somethings are spending their money and shaping retail.
One bright spot that tends to emerge out of calamity is a renewed sense of community. Author Rebecca Solnit's book explores how this trend emerged in five disasters, including Hurricane Katrina. She talks to Tess Vigeland.