The novel follows the story of two sisters, Mary and Agnes, who are sent to stay with their aunt in the country. While there, they discover a mysterious book that contains the secrets of the ninth vibration, a powerful force that can be used to manipulate the world around them. The sisters soon find themselves in a dangerous situation as they are pursued by a mysterious figure who wants to use the power of the ninth vibration for his own nefarious purposes. With the help of their aunt and a mysterious stranger, the sisters must find a way to protect themselves and the secret of the ninth vibration. The novel is a thrilling adventure story that explores the power of the supernatural and the consequences of using it for personal gain. It is a classic example of Victorian Gothic fiction and is sure to captivate readers of all ages.
By Elizabeth Louisa Moresby · First published 1922 · Genre: Mystery, Romance, Fantasy