The novel follows the story of a mysterious white powder that is discovered in a London chemist's shop. The powder has strange and powerful effects on those who take it, and soon the whole city is in a state of panic. The novel follows the story of a group of people who are drawn into the mystery of the powder, and the strange and terrifying events that follow. As the story progresses, the characters discover the true nature of the powder and the dark forces behind it. The novel is a classic example of Victorian horror, and is considered to be one of Machen's best works. It is a gripping and suspenseful story that will keep readers on the edge of their seats.
By Arthur Machen · First published 1905 · Genre: Mystery, Horror, Fantasy