First Published in 1903, Erskine Childers' "The Riddle of the Sands: A Record of Secret Service", is one of the earliest examples of an espionage novel and was immensely influential in the creation of this popular genre. Childers led an interesting and adventurous life, becoming an amateur sailor as a young man before enlisting in the military and serving in the Boer War and eventually the First World War. In "The Riddle of the Sands", a gripping...