"Lilith" is the 1895 fantasy novel by George MacDonald, the pioneering and widely influential Scottish writer and Christian minister. It is the story of Mr. Vane, the owner of a library that seems to be haunted by a former librarian, a spirit that resembles a raven. When Vane finally encounters the wraith, called Mr. Raven, he comes to discover that it knew his father, who now resides in "the region of the seven dimensions". Vane follows the apparition...