Aliens have mined earth's ocean resources for thousands of years. Now humans and their polluting technology threaten the purity of the plankton they need to survive. Earth is fast approaching a... 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.