The Secret Series (Enid Blyton) has one or two narrow escapes from being detained by them. The novel was originally written as a serial and, in 1938, published as a full-length novel. It was one of Enid Blyton's earliest adventure novels, preceding The Famous Five, The Five Find-Outers, The Adventure Series, The Secret Seven, and school books which would appear in following years. The children, reunited with their parents again (and Jack now adopted as part of the family), go on holiday at the rugged Cornish coast with a family friend, Miss Dimity ("Dimmy", who would appear in several further books in the series), and
Enid Blyton between 1942 and 1964; 10,000 copies were sold in 1942 alone. The same year, Blyton published the first novel in the Famous Five series, "Five on a Treasure Island", with illustrations by Eileen Soper. Its popularity resulted in twenty-one books between then and 1963, and the characters of Julian, Dick, Anne, George (Georgina) and Timmy the dog became household names in Britain. Matthew Grenby, author of "Children's Literature", states that the five were involved with "unmasking hardened villains and solving serious crimes", although the novels were "hardly 'hard-boiled' thrillers". Blyton based the character of Georgina, a tomboy she described as