Front Cover -- Title Page -- Copyright -- Contents -- Introduction -- The Parasite -- Chapter I -- Chapter II -- Chapter III -- Chapter IV -- The Mystery of Sasassa Valley -- J. Habakuk Jephson's Statement -- The Captain of the "Pole-Star" -- The Great Keinplatz Experiment -- The Ring of Thoth -- The Bully of Brocas Court -- Selecting a Ghost: The Ghosts of Goresthorpe Grange -- How It Happened -- About the Author, Arthur Conan Doyle -- Suggested Discussion Questions for Classroom Use -- Suggested Further Reading of Fiction -- About the Series Editors -- Back Cover.