From the webpage:
Welcome! We have exactly 8631 free e-books in 649 categories.
E-Books Directory is a daily growing list of freely downloadable ebooks, documents and lecture notes found all over the internet. You can submit and promote your own ebooks, add comments on already posted books or just browse through the directory below and download anything you need.
Welcome additions to your reader device!
An arm saver as well: A New Kind of Science by Stephen (EN) Wolfram. (EN = Editor Needed)
Curious, do you think eBooks are going to lead to longer (read poorly edited) books in general?