Editors of four of the most interesting and innovative digital publishers sat down with L.A. Times book critic David L. Ulin Saturday to discuss how they do what they do, and why.
The players, in alphabetical order:
The Atavist. Launched in January 2011, The Atavist was one of the first iPad-native apps to tell robust nonfiction stories that fully exploited the possibilities of the tablet, such as audio, video, an interactive time line and animations.