Between 1977 and 1979, three hardcover rulebooks, commonly referred to as the "core rulebooks", were released: the "Player's Handbook" (PHB), the "Dungeon Master's Guide" (DMG), and the "Monster Manual" (MM).
Между 1977 и 1979 были выпущены три крупные книги правил, называемые Основным руководством: "Player’s Handbook" (PHB), "Dungeon Master’s Guide" (DMG) и "Monster Manual" (MM).