How can we reap this bounty? This book is a modest inquiry into this subject. It is my investigation into a design with nature: the place of nature in man's world, my search for a way of looking and a way of doing--a simple plan for man in nature. It submits the best evidence that I have been able to collect, but since evidence tends to be too cold I feel it more honest and revealing to speak first of those adventures which have left their mark and instigated this search.