A Canticle for Leibowitz

Down the long centuries after the Flame Deluge scoured the earth clean, the monks of the Order of St. Leibowitz the Engineer kept alive the ancient knowledge. In their monastery in the Utah desert, the preserved the precious relics of their founder: the blessed blueprint, the sacred shopping list and the holy shrine of Fallout Shelter.

Watched over by an immortal wanderer, they witnessed humanity's rebirth from ashes, and saw reenacted the eternal drama of the struggle between light and darkness, life and death.