Authors Flint Whitlock and Terry Barnhart: “Capt. Jepp and the Little Black Book”

Pilot Elrey Jeppesen was the first to sketch aviation maps in the 1930's. Those early maps became the essential navigational charts that pilots around the world use to find their way. Ryan Warner talks to historians Flint Whitlock and Terry Barnhart, co-authors of Capt. Jepp and the Little Black Book: How Barnstormer and Aviation Pioneer Elrey B. Jeppesen Made the Skies Safer for Everyone.