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 Brothers. Other books with a maritime theme include "The Secret of Cliff Castle" and "Smuggler Ben", both attributed to Mary Pollock in 1943; "The Island of Adventure", the first in the Adventure series of eight novels from 1944 onwards; and various novels of the Famous Five series such as "Five on a Treasure Island" (1942), "Five on Kirrin Island Again" (1947) and "Five Go Down to the Sea" (1953). Capitalising on her success, with a loyal and ever-growing readership, Blyton produced a new edition of many of her series such as the Famous Five, the Five Find-Outers and St. Clare's