Reddit reviews Sea of Thieves: Athena's Fortune

https://smile.amazon.com/Sea-Thieves-Athenas-Chris-Allcock/dp/1683834879/

I bought the digital version on Google Books.

Could try calling your local book store and supporting them.

If you do buy from Amazon remember to use the smile.amazon.com address; or alternatively there might be someone out there with an amazon affiliate link who you'd like to support.

I bought some lore books on amazon a while back, I forget the names off the top of my head.

But they talked about the three main fractions.

book 1

book 2

art book ‘soft/ implied lore but nothing fancy’

I don’t own this, looks like a comic