Arthur Machen's 'The White People' (1904) is a foundational work of weird fiction that frames an esoteric manuscript as evidence of genuine supernatural transgression. Through a philosophical prologue establishing sin as a transcendent violation of natural law, the narrative introduces a mysterious green journal written by a young girl describing her encounters with otherworldly beings and forbidden knowledge. The story explores the thin boundary between innocence and corruption, presenting ancient rites and alien languages that corrupt the protagonist's perception of reality itself.