The Great God Pan, The Shining Pyramid and The White People - Arthur Machen - Bog

An experiment into the sources of the human brain through the mind of a young woman has gone horribly wrong. She has seen the great God Pan and will die giving birth to a daughter, Helen Vaughan. Helen Vaughan becomes the source of much fevered speculation when, twenty years later, she is feted as a society hostess of great charm.