""The Shadow On The Sea: A Tale Of Strange Happenings"" is a mystery novel written by Max Pemberton in 1907. The story follows the adventures of a young man named Hugh Sefton who sets out on a sea voyage to investigate the strange disappearance of his father. Along the way, he encounters a mysterious woman named Madame Koluchy who seems to be connected to his father's disappearance. As Hugh delves deeper into the mystery, he discovers a dark conspiracy...