A couple of related recent web links about online publishing.

The first, Open Source Textbooks Challenge a Paradigm | Epicenter from Wired.com looks at some recent initiatives relating to creating accessible (from a cost point of view) text books.

Similarly, Tensegrities » Blog Archive » Digital media and civic learning, notes that MIT have released some more books in an online, open access forum – relating particularly to digital media and learning.

Also, Mary (also via a Tensegrities post) notes the availability of a guide to using multimedia tools with youth available over at Participation Works How To Guide on Multimedia Participation | Tim’s Blog.