Obsidian Studios

year of pub­li­ca­ti­onISBNauthor(s)title
1999978-0-9674429-0-7Sean Patrick FannonThe Fantasy Roleplaying Gamer's Bible 2nd Edition
2000978-0-9674429-1-4Sean Patrick · Engle, Jason A. · Acevedo, Aaron A. · Nielsen, Jared FannonShards of the Stone: Core