Thoreau, Henry David. A Week on the Concord and Merrimack Rivers. New York: Dover Publications, Inc., 2001. 256 pp. Paperback.The complete text of Thoreau's first book, neatly packaged in a Dover Thrift Edition. In A Week on the Concord and Merrimack Rivers, Thoreau outlines the river excursion he took with his brother John and the adventures they encountered.