Discusses the characteristics of whales, porpoises, polar bears, and other mammals of the sea, the human exploitation of these animals, and efforts to preserve and increase their numbers. This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.