It is 1804, the year that Meriwether Lewis, William Clark, and the Corps of Discovery set out for their now-legendary exploration of the Louisiana Purchase, departing St. Louis to travel across the continent to the Pacific Ocean and back. This fictionalized biography of Lewis and Clarks journey introduces Seaman, a 150-pound Newfoundland dog and unheralded member of the Corps, to young historians. Seaman travels the long journey with the Corps, playing a key role in the expeditions success by catching and retrieving game, and protecting the team from wild animals and hostile Native Americans. Gail Langer Karwoskis thrilling account of Lewis and Clarks expedition with the Corps of Discovery, Seaman, and eventually Sacagawea, full of accurate details drawn from Lewiss own diary entries, will draw readers into one of the most exciting chapters in American history.