Take the audiobook with you
Listen offline here
Save the chapters in this browser; they then play on this page without a connection. Single chapters can be saved from the list above.
Download the audiobook
Every chapter as an MP3 file, with a playlist, in one ZIP file for any music or audiobook app; each file carries markers for its sections. For one chapter, use MP3 under Now playing.
In your podcast app
Subscribe to the audiobook's feed in Apple Podcasts, Pocket Casts, AntennaPod or any podcast app: it downloads the chapters, plays them offline and remembers your place. In apps other than Apple Podcasts, choose to add a podcast by its address and paste the feed address.
https://epis.duckdns.org/guide/audio/feed.xml
The e-book
The guide as an EPUB
Every chapter, for Apple Books, Kobo, Thorium, Calibre or any e-reader.
Download EPUBRead without a connection
Save the whole site in this browser: the guide, the concepts and the map then open offline.
Chapter by chapter
Save a chapter for offline listening here, download its MP3.
The narration in Persian is on the Persian download page.