Since the publication of Shantyboat: A River Way of Life in 1953, Harlan Hubbard has achieved a wide reputation as a modern-day Thoreau. Not content simply to advocate a life of simplicity and self-sufficiency, Hubbard and his wife Anna in 1944 built with their own hands a houseboat on the banks of the Ohio near Cincinnati and in 1946 set out on a leisurely, five-year journey down the Ohio and Mississippi rivers. Shantyboat, Hubbard's recounting of...