Juan Manuel Macías writes: > I think it will be more practical for you to use pandoc: > > With this command you can convert an epub format to org: > > pandoc my-epub.epub -o my.epub.org > > (https://pandoc.org) > > You can also install calibre and convert your epubs to plain text from > there.
PS: And you can also open epubs in Emacs with the nov.el package (https://github.com/wasamasa/nov.el) and copy whatever text you want from there.