Open Feedback Publishing System
"The Open Feedback Publishing System (OFPS) is an O'Reilly experiment that tries to bridge the gap between private manuscripts and public blogs. Following on the let-them-comment-on-everything model established by the Django Book, Real World Haskell, and Mercurial: The Definitive Guide (among others), OFPS allows readers to read in-progress O'Reilly manuscripts, communicate suggestions with the authors, follow others' comments, and directly participate in the development of new books."
While some other publishers (Manning MEAP for example) sell books that are in progress,
in many cases that requires early commitment, and reduces feedback to authors.
O'Reilly experiment provides public access, and broad feedback...
Programming ASP.NET MVC 4