The document discusses self-publishing tools and APIs for creating e-books. It notes that digital publishing is expected to grow substantially by 2013 and e-book sales and revenues will increase significantly in the next few years. The document recommends putting readers at the center of business by enabling them to participate in developing content and leveraging APIs to integrate social media, location-based, and other types of content into e-books to increase engagement. It provides examples of how APIs could be used to create interactive travel guides, integrate social content, and leverage user-generated content and news APIs when creating e-books.