<DIV>Thoreau has inspired generations of readers to think for themselves and to find meaning and beauty in nature. This sampling includes five of his most frequently read and cited essays: "On the Duty of Civil Disobedience" (1849), "Life without Principle" (1863), "Slavery in Massachusetts" (1854), "A Plea for Captain John Brown" (1869) and "Walking" (1862).</div>