The Maine Woods is a characteristically Thoreauvian book: a personal account of exploration, of exterior and interior discovery in a natural setting, conveyed in taut, workmanlike prose. Thoreau's evocative renderings of the life of the primitive forest--its mountains, waterways, fauna, flora, and inhabitants--are valuable in themselves. But his impassioned protest against despoilment in the name of commerce and sport, which even by the...