The Mystery of Allan Grale V2: A Novel is a book written by Isabella Fyvie Mayo and originally published in 1885. It is a thrilling mystery novel that tells the story of Allan Grale, a wealthy man who disappears under mysterious circumstances. The novel follows the investigation into his disappearance, led by his friend and confidant, Dr. Everard Dominey. As the investigation progresses, a web of intrigue and deception is uncovered, leading to unexpected...