The Mysterious Spaniard or The Ruins of St. Luke's Abbey: A Romance is a novel written by an anonymous author. The story takes place in England during the 18th century and follows the life of a young woman named Adelaide who finds herself caught up in a web of mystery and intrigue. Adelaide is the daughter of a wealthy merchant and is engaged to a man named Edward, but her life takes a dramatic turn when a mysterious Spaniard arrives in town. The...