This document discusses e-singles, which are short digital works between 5,000-30,000 words published as standalone ebooks. E-singles are released by traditional publishers, magazines, startups, and Amazon. They cover fiction and nonfiction topics and are sold on ebook stores, standalone websites, and apps. While e-singles allow maintaining reader interest and monetizing short works, challenges include consumer confusion over pricing and finding an audience for every title. Overall, e-singles are doing well, with Kindle Singles selling over 2 million copies, though growth may depend on improved discoverability.