Contents:
Eye of Terror: Reign of IronAn 80-page hardcover book featuring lore and background about the Eye of Terror, nearby worlds, the Iron Warriors, the Adeptus Mechanicus forces of Thulia Ghuld, and more.
Eye of Terror: Reign of Iron ApocalypseA 72-page hardcover book with special rules for playing large-scale Apocalypse battles, including new Stratagems for every faction, five missions, and campaign rules.
Eye of Terror: Reign of Iron DetachmentsA 16-page booklet including new detachments for Chaos Space Marines (Warpstrike Champions and Cult of the Arkifane), Space Marines (Ceramite Sentinels), Chaos Knights (Helhunt Lance), Imperial Knights (Freeblade Company), and the Adeptus Mechanicus (Eradication Cohort).