I think "Tree Crops" is available free at project Gutenberg. At least I think that's where I downloaded a copy.

https://gutenberg.org/

https://fountain.fm/episode/mxudV8ACSeMjdblvBidW

nostr:nevent1qvzqqqpxquqzqhs879rkee4nn6kp6l8knzjadurz9efzsenmwtdf2nlrd9cegl77r5w7tu