1st edition softcover 1973. Great condition, some wear and fading to the spine. Comprehensive study of various forms of shelter including anthropological comparisons between indigenious building techniques as well as practical guides for fabrication. Released by Shelter Publications in 1973 as a part of a non-profit effort. There is a strong emphasis on sustainability and ecology. Fully illustrated with some amazing black and white pictures and illustrations on every aspect of the subject. Some color plates also included.