The textbooks are on reserve in the GRC, and copies are available at the Campus Book Store.
Information Architecture for the World Wide Web, 3/e
By Louis Rosenfeld, Peter Morville
O'Reilly & Associates
HTML5: Up and Running
By: Mark Pilgrim
Introduction to web accessibility
This is a nice recap of why we need to worry about accessibility, without getting into too much detail.
The Reading Brain in the Digital Age: The Science of Paper vs Screens, Scientific American
Google’s SEO Starter Guide [32pg PDF]