Ok, the only functionality I can think of which remains is:
[Ret] Handle internet links within ebooks (do the redirection which ebooksystem.net)
[nrapallo] add back button functionality
=> for this I plan to add a plugin point where you can hook into all requests coming for ebooksystem.net and refactor the code to use it. Plugins can then be written with that functionality in mind, without touching the core code.
[Ret] Let the reader delete ebooks from the online bookshelf.
why do we need that, really? just remove it from your filesystem, and next time you visit the booklist it's gone (it's autorefreshed on every request).
Any other feature requests?