Arthur Conan Doyle (1859—1930) was an English writer best known for his detective stories about Sherlock Holmes. As an adventure novel, "The Tragedy of The Korosko" tells the story of European tourists on a trip to Egypt, sailing up the River Nile in a boat called the Korosko. During a morning tour of the desert, they are taken hostage by a group of Dervish warriors. The book raises the themes of imperial sovereignty, invasive foreign policy, and even religious extremism. .