Based on a trip with his brother in 1839, "A Week on the Concord and Merrimack Rivers" is an excellent example of Thoreau's talent for naturalistic writing. In exquisite detail Thoreau depicts the nature that surrounds him over the course of his trip. One of only two books to be published during his lifetime, Thoreau began work on "A Week on the Concord and Merrimack Rivers" following his brother's death in 1842, however the work was not fully completed...

Winner of the Pulitzer Prize and the Bancroft Prize. Across the Wide Missouri tells the compelling story of the climax and decline of the Rocky Mountain fur trade during the 1830s. More than a history, it portrays the mountain fur trade as a way of business and a way of life, vividly illustrating how it shaped the expansion of the American West.