Enid Blyton eighth book in the Adventure series, "The River of Adventure", and her seventh Secret Seven novel, "Secret Seven Win Through". She completed the sixth and final book of the Malory Towers series, "Last Term at Malory Towers", in 1951. Blyton published several further books featuring the character of Scamp the terrier, following on from "The Adventures of Scamp", a novel she had released in 1943 under the pseudonym of Mary Pollock. "Scamp Goes on Holiday" (1952) and "Scamp and Bimbo", "Scamp at School", "Scamp and Caroline" and "Scamp Goes to the Zoo" (1954) were illustrated by Pierre Probst. She introduced
Enid Blyton for the "most famous and successful of children's authors with her enormous energy and computer-like memory" to be losing her mind and suffering from what is now known as Alzheimer's disease in her mid-sixties. Blyton's situation was worsened by her husband's declining health throughout the 1960s; he suffered from severe arthritis in his neck and hips, deafness, and became increasingly ill-tempered and erratic until his death on 15 September 1967. The story of Blyton's life was dramatised in a BBC film entitled "Enid", which aired in the United Kingdom on BBC Four on 16 November 2009. Helena Bonham Carter, who