The Grey Knight is a novel written by Mrs. Henry De La Pasture and was first published in 1908. The story is set in England during the early 1900s and follows the life of a young woman named Diana Rivers. Diana is a beautiful and intelligent woman who is engaged to a wealthy man named Sir John Ferringhall. However, she is not in love with him and is secretly in love with his cousin, the Grey Knight.The Grey Knight is a mysterious and elusive figure...