Thirteen-year-old Sam Gribley's hero is naturalist poet Henry David Thoreau. So Sam decides to write a note to his folks, pack up some of his belongings and leave home for the challenge of wilderness living. Realizing his dream, Sam feeds himself, builds a makeshift home and learns to live in harmony with nature -- miles from civilization.

Originally released as a motion picture in 1969. Based on the novel by Jean George.