A book that caused a huge sensation when it was first published in 1903, 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. Named by The Guardian newspaper 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.