Children's literature R. M. Ballantyne and G. A. Henty specializing in the production of adventure fiction for boys. This inspired writers who normally catered to adult audiences to write for children, and an example is Robert Louis Stevenson's (1850–94) classic pirate story "Treasure Island" (1883). In the years after the First World War, writers such as Arthur Ransome (1884–1967) developed the adventure genre by setting the adventure in Britain rather than distant countries. Ransome began publishing in 1930 his Swallows and Amazons series of children's books about the school-holiday adventures of children, mostly in the English Lake District and the Norfolk Broads.
Swallows and Amazons books, including those already published, and Webb's drawings were replaced in later editions. The book relates the outdoor adventures and play of two families of children. These involve sailing, camping, fishing, exploration and piracy. The Walker children (John, Susan, Titty and Roger) are staying at a farm near a lake in the Lake District of England, during the school holidays. They sail a borrowed dinghy named "Swallow" and meet the Blackett children (Nancy and Peggy), who sail a dinghy named "Amazon". The Walkers camp on an island in the lake while the Blacketts live in their house nearby. When the