Arthur Conan Doyle's novel, 'The Tragedy of the Korosko', follows a group of European tourists on a trip up the Nile River in Egypt in the late 19th century. As they journey towards the southern frontier of Egypt, their boat, the Korosko, is attacked and captured by Dervish warriors. This harrowing experience reveals the deep-seated fear and mistrust many Europeans held towards Islam at the time. In addition to the personal struggles of the captive tourists, the novel also presents a robust defense of British Imperialism, particularly in North Africa. With vivid detail and heart-pounding action, this novel is a gripping adventure that illuminates the complexities of the colonial era.