Nature's big, beautiful, bountiful, feel-good book (A Pivot special)

Publishers Forward: Say that this picture is of a tree. That core is the trunk of our tree of life, and its main stems and branches. Thousand of throughout the world are devoted to writing and publishing this information as it becomes available. These are green leaves budding on our tree. The tee still grows. This book is a new leaf. What we have tried to accomplish is to give you a few footholds, and an outstretched hand, Come up into the tree and explore for yourselves. Enjoy the view and fresh air up her, the fresh hope.