Found in 1 comment on Hacker News
Here's a link to the same idea https://www.moneylessmanifesto.org/ and a link to the book by Mark Boyle https://www.amazon.co.uk/Moneyless-Man-Year-Freeconomic-Livi.... Mark Boyle went on to write another book which I enjoyed called "The Way Home"

Fresh book recommendations delivered straight to your inbox every Thursday.