Hardcover binding is firm and hinges are not cracked or damaged. Pages are tight and clean. Boards and DJ have light shelfwear and rubbing. Library discard with usual marks and attachments. Pocket and ffep removed. DJ protected with mylar and not clipped. 292 pages. HardCover Binding. Year: 1970. ISBN: 0. This is a book about man's relationship to his enviornment and how that relationship can, indeed, must change.