The Codex Necrons 3rd Edition (2002) is a Warhammer 40,000 booklet produced by Games Workshop. Focused on the army of Necrons, this army book provides players with detailed information and rules for using these ancient and powerful robotic beings in the Warhammer game universe. The booklet is written in English, making it accessible to players who speak the language and allowing them to immerse themselves in the lore and strategies of the Necron forces on the tabletop battlefield.