The Riddle of the Sands: A Record of Secret Service is a 1903 novel by Erskine Childers. The book, which enjoyed immense popularity in the years before World War I, is an early...

Davies is suspicious about what would motivate the Germans to try to kill him when he saw something unusual around Frisian islands in the Baltic sea. Having failed to interest...

While on a sailing trip in the Baltic Sea, two young adventurers-turned-spies uncover a secret German plot to invade England. Written by Childers—who served in the Royal...