A back country adventure on the wild and remote Powderhorn River takes a mind-bending turn when five seasoned canoeists find themselves marooned in earth's prehistoric past. Plagued by personal demons and terrifying beasts, the men and their otherworldly companion must use their wits, experiences, and what few weapons they possess to stay alive long enough to find a way home.
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.