Sketching User Experiences: Getting the Design Right and the Right Design Bill Buxton. Morgan Kaufmann, Â©2007. ISBN: 0-1237-4037-1.
In this book, Bill Buxton talks about the role that sketching plays in the design process. He gives a number of good examples from hand sketches to digital sketches. Then he launches into a discussion of what a sketch of an interactive experience is, and gives a number of good examples of interactive sketches and sketching methods. It’s an excellent read for anyone who makes interactive things.