Step into the wild, uncharted frontiers of science and imagination with When The World Screamed – The Professor Challenger Stories by Sir Arthur Conan Doyle, the legendary creator of Sherlock Holmes. These thrilling adventures follow the larger-than-life Professor George Edward Challenger—a bold, eccentric scientist whose brilliance is only rivaled by his explosive temper—as he leads dangerous expeditions, battles ignorance, and dares to unravel the mysteries of the universe. In the title story, Challenger attempts to penetrate the very crust of the Earth, believing the planet itself is a living entity—and what he awakens could change the fate of humanity. A masterful blend of early science fiction, daring exploration, and philosophical intrigue, this collection invites readers into a world where discovery knows no bounds. Perfect for fans of Jules Verne and H.G. Wells, Doyle's stories deliver suspense, intellect, and a touch of madness—pushing the boundaries of what science and storytelling can do.