The World Destroyer is a science fiction novel written by Horace Mann and published in 1903. The story is set in the future, where a mad scientist named Dr. Fenton has created a powerful weapon that can destroy the entire world. The protagonist, a young inventor named Frank Reade Jr., sets out to stop Dr. Fenton and save the world from destruction.Frank Reade Jr. is a brilliant inventor who has created many amazing machines, including a submarine...