I prefer to buy books than software, especially from T3X (Zenlisp, T3XForth, Klong...) and the Eforth+Subleq guy. The software it's libre licensed but the knowl

I prefer to buy books than software, especially from T3X (Zenlisp, T3XForth, Klong...) and the Eforth+Subleq guy. The software it's libre licensed but the knowledge isn't, even if I have the documents right here, a good book to introduce me on K/Klang it's invaluable.