Terry Gross

In Dark Invasion, Howard Blum explores the campaign of sabotage that Germany inflicted on an unsuspecting U.S. As ships and factories blew up, "no one really suspected a spy network," he says.

The comedy actor, writer and director had co-written and planned to star in the long-awaited Ghostbusters III — but did not get the chance. He died Monday in Chicago at age 69.

In Dragnet Nation, Julia Angwin describes an oppressive blanket of electronic data surveillance. "There's a price you pay for living in the modern world," she says. "You have to share your data."