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 series the young protagonists, many — generally benevolent — adult characters also appear. The most prominently involved are the Blackett sisters' uncle Jim Turner, who is called Captain Flint by the children, after the character in "Treasure Island", and Mrs Barrable in "Coot Club". A painfully shy geologist, named Timothy, is also accepted by the children during "Pigeon Post" and included in their adventures. The "Swallows and Amazons" series has strong links with the real world. Extensive elements of both the characters and the settings can be traced back to incidents in Ransome's life and are the raw material for much