Can i get it in pdf form, or at least, can i get a copy of the epub, instead of being helf hostage to a proprietary reading walled garden like Amazon. Does Nook allow you to download the epub file? But, I’d prefer pdf.
Yup, you can now. berksoft.ca/gol has a link to a (DRM free) PDF version.
The Kobo version is a DRM free epub, so you can read it wherever you like. I'm still figuring out how/where to sell a PDF, because I really, really, _really_ do not like epub for technical books. It's ok for novels, at best. Tips welcome.
https://berksoft.ca/gol/genius-of-lisp-chapter-8.pdf has a free chapter.