``Natural homes are not new . . . . They are the way people . . . built instinctively until the modern age divorced us from this understanding.'' Pearson uses the wisdom and practical knowledge of many cultures to show how to build a modern, natural dwelling that balances the demands of ecology, health, and spirit. He discusses how a house interacts with the environment and occupants; how to build and furnish for health and ecology; and how to apply these principles to the design of spaces in and about the house. Few have attempted to so thoroughly combine home building history with environmental, ecological, geobiological, and psychological concerns. Recommended.-- W.T. Johnston, formerly with Coastal Plain Regional Lib., Tifton, Ga.