Printed books on User Experience free to read online

UX Bookmark lists a few printed UX books that are available to read for free online, including the following.

Search User Interfaces- by Marti A. Hearst
Designing Interfaces- by Jenifer Tidwell
Thoughts on Interaction- by John Kolko. Contributions by Ellen Beldner, Uday Gajendar, Chris Connors and Justin Petro
The Psychology of Menu Selection: Designing Cognitive Control at the Human/Computer Interface- by Kent L. Norman
Just Ask: Integrating Accessibility Throughout Design- by Shawn Henry
Building accessible websites- by Joe Clark