Internet Archive for Digitized Books

"Brewster Kahle, a digital librarian and founder of a virtual library called the Internet Archive, has launched a worldwide campaign to double the number of books available for print-disabled people."

Digitizing books into the DAISY format for access. 

I'm not sure how this archive differs from NLS, RFB&D, BookShare and Project Gutenberg.  Future article hopefully will explore the differences