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 (2016 film) film's changes to the book's character Jim Turner, writing, "In the film he is engaged in espionage and pursued by Russian agents, which gives the story some grown-up oomph, and pays fitting tribute to the author's wildly adventurous early life. For Ransome was not merely a boaty old buffer with a walrus moustache who wrote children's books. As a young journalist he reported on the Russian Revolution, was on intimate terms with its leaders and was himself an active player, which led to his recruitment by MI6." For Alistair Harkness, writing in "The Scotsman", the film "serves as a gentle