Over the years, we’ve released individual supplements for each of the character classes in Ephemeris. Now we’ve combined all of those supplements into one book, which is available from all of the usual sources.
Order from DriveThruRPG: https://www.drivethrurpg.com/product/388254
Order from Amazon: https://www.amazon.com/dp/B09TG29ZGP
Order from Smashwords: https://www.smashwords.com/books/view/1134658