wrote Walden, and On the Duty of Civil Disobedience
comprising 216 pages back in 2020.
Textbook and eTextbook are published under ISBN 1800604890 and 9781800604896.
Since then Walden, and On the Duty of Civil Disobedience textbook
was available to sell back to BooksRun online for the top buyback price
or rent at the marketplace.