Hi..This is in answer to Petrus, and for others who might be able to use info.Sorry for multiple posting re books - new to permacul.*and* to computer.Here's book info: "The Permaculture Way: Practical Steps to Create a Self-Sustaining World", by Graham Bell. Thorsons:London, 1992. Forward by David Bellamy. Introduction by Bill Mollison. It's a wonderful, clearly-written book! Carol