Google the actual A320 manuals - they are all easily available online and are more comprehensive than anything Fenix will provide (if they ever provide anything). Here are some links:
Flight crew trainign manual (342 pages):
https://www.737ng.co.uk/A320%20321%20FCTM%20Flight%20Crew%20Training%20Manual.pdf
Flight crew operating manual (3,776 pages
):
There are also some smaller/summarised docs, like these: