| Author/Contributor(s): | Thoreau, Henry David; Walls, Laura Dassow |
| Publisher: | Mariner Books |
| Date: | 5/31/1999 |
| Binding: | Paperback |
| Condition: | NEW |
Thoreau developed ideas fundamental to ecology fifty years before that word was coined. He called for a science that would join man and nature-a "conscience," a moral knowledge founded on material faith.