Remember how I predicted that 10 Drupal books would get published in 2008? Well, the first book showed up in the mail this morning.
I don't have a design background but it looks like a good book that explains the workings of the Drupal theme system and Drupal's PHPTemplate enginge, that explains you how to build a theme, and that provides practical solutions to common problems during that process. If you are a hardcore developer, this book might not be for you.
— Dries Buytaert