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 of being as tough as Nancy, but often needs the encouragement of her sister to get through the more dangerous parts of their adventures. She is frightened of thunderstorms. A third major set of characters are brother and sister Dick and Dorothea Callum, introduced in the fourth book of the series, "Winter Holiday". Dick and Dorothea are the intellectuals of the group, Dick in matters of science, Dorothea in the arts. The Callums later acquire a dinghy of their own, the "Scarab". The Callums were originally seen as useless to the group, until it was realized that they had great