Takes you on a tour of the construction, costs, and pros and cons of fourteen natural building methods. Straw Bale, Rammed Earth, Adobe, Earthships, Papercrete, Earthbags etc. All the methods have a common goal of creating a house that is economical, energy efficient, nontoxic and soothing to the soul. It shows you how to gain energy independence through passive solar heating and cooling, wind power etc as well as environmentally sustainable water systems. Excellent. 468 pages.