This is a quick and dirty way to clone, download or make a mirror of a website for offline reading. We only need
wget --recursive --no-clobber --page-requisites --html-extension --convert-links --restrict-file-names=windows --domains website.org --no-parent www.website.com/category/
wget also has an option to do mirroring.
wget -m www.website.com/category/
In order to avoid your IP getting banned or blacklisted by the server, try to add this options:
Hope it helps. 🙂