Sheri Koones Prefabulous + Almost Off the Grid: Your Path to Building An Energy-Independent Home is now available. It profiles 32 of the most energy efficient prefabricated houses in the country. It includes over 200 beautiful photographs and lots of sidebars describing various aspects of "green" construction.
Buy the book on Amazon.com:
http://usmodularhomebuilders.com/prefabulous-almost-off-the-grid-your-path-to-building-an-energy-independent-home-2/