The sarcophagus chamber of Ramesses VI (Dynasty 20, c. 1145–139 BCE) in the Valley of the Kings, west of modern Luxor, was decorated from floor to ceiling, on all finished wall surfaces and three column faces, with scenes and texts from an ancient Egyptian cosmological work known today as the “Book of the Earth” (ancient title unknown). This “book” was in fact one ad hoc collection drawn from a stock pool of imagery relating to the subterranean regions of the Duat, where gods and the dead were believed to reside. In total, eight royal monuments from the later New Kingdom (Dynasties 19–20) included elements from the Book of the Earth, of which the version of Ramesses VI is by far the largest and most elaborate. After the New Kingdom, element...