Canonical literature isn’t the only way to learn about America. The bestseller list can be equally as telling. Matthew Kahn is reading 100 years of No. 1 bestsellers from 1913 to 2013. He blogs about the books and discusses the project in an interview with Salon’s Laura Miller. When Miller asks what makes a bestseller, he claims, “A lot of it is just a matter of accessibility. A focus on plot and character rather than structure and the prose itself.”