A Horseman Riding By is a trilogy of historical novels written by R. F. Delderfield, first published between 1966 and 1968. Set in rural Devon, England, the novels span the years from the late 19th century through World War I, the interwar period, and World War II focusing on the life of Paul Craddock, a young man who becomes the squire of a large estate. The trilogy—Long Summer Day, Post of Honour, and The Green Gauntlet—explores Britain's dramatic social, economic, and political changes during this transformative era while emphasizing community, tradition, and resilience themes. Source: Wikipedia (en)