7 books
Pathfinder: Elemental Stones Board Game
Starfinder Deck of Endless NPCs
Starfinder RPG: Galaxy Exploration Manual
Starfinder Adventure Path: Professional Courtesy (Fly Free or Die 3 of 6)
Starfinder RPG: Character Operations Manual
Starfinder RPG: Alien Archive 3
Starfinder Adventure Path: Sun Divers (Dawn of Flame 3 of 6)