The Keeper Screen is an essential play aid for those running games of Call of Cthulhu. This is a 3-panel Keeper Screen mounted on thick hardcover stock, folding out to 34 inches wide. One side, intended to face the players, portrays glorious artwork. The rear of the screen, the Keeper’s side, collects and summarizes important rules, statistics and charts, to assist the Keeper when running games. Inside are two ready-to-play scenarios set in Lovecraft Country during the 1920s: “Blackwater Creek” and “Missed Dues.” Twelve ready-to-play pregenerated investigators, and color maps of Lovecraft Country, the World of Cthulhu, and Arkham Environs. For Call of Cthulhu, 7th edition . You must have at least one copy pf the Call of Cthulhu Keeper Rulebook to play Call of Cthulhu. .