The quality of the work is of course without reservation, excellent. I do, however, have one question. On the final page of the book you remark that in order to save space in the book you put techincal notes on your website rather than in the book. I am curious, therefore, why you chose to give the various chapter heading pages their own pages, without images. By my count this would have allowed for the addition of nine images into the book. While I can certainly respect and understand that this may have been done for aesthetic and artistic reasons I am nevertheless very interested in your rational.
Either way, fabulous work...wish I had a spare $850 to throw your way!
-Dave