"The Ghent Altarpiece" was painted over 600 years ago and may be the most significant artwork you've never heard of. Art historian Noah Charney writes about the painting and the many crimes against it in his new book and talks with Kai Ryssdal about why it's the most stolen artwork in history. Plus view a slideshow of the most wanted stolen artworks that are still missing.
Author Douglas Wellman talks with Bill Radke about his new book, "Boxes: The Secret Life of Howard Hughes," which claims billionaire Howard Hughes lost his money and still lived happily for a lot longer than you think.
Author Edward P. Kohn talks with Bill Radke about his new book "Hot Time in the Old Town," how a heat wave helped Teddy Roosevelt become president, and whether we've gotten any better at protecting the poor from the heat.