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 anyone in the government in the incident, he feels it is his patriotic duty to investigate further and invites one of his friends, Carruthers to join in a yachting holiday in the Baltic Sea.

The Riddle of the Sands by Erskine Childers. Loosely based on the author’s own experiences, The Riddle of the Sands takes readers back to the early days of the twentieth century, when Britain shared a tense rivalry with the Kaiser’s Germany. Tempted by the idea of duck shooting, Carruthers is lured by his friend Davies into a yachting expedition in the Baltic, only to discover that the itinerary involves more than killing fowl. Soon they’re on a wild journey of intrigue, meeting danger at every turn, and ultimately unraveling Germany’s secret plans to invade England. Tautly written and full of unexpected twists, this is a timeless work of espionage fiction.

The Riddle of the Sands by Erskine Childers is a vivid account of German preparations to invade England, released at a time when tensions between the two countries were at an all time high. Often cited as one of the 100 greatest novels of all time, The Riddle of the Sands has delighted generations of sailing aficionados and thriller readers with its nautical and political verisimilitude.