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 spin-offs and strip books were produced throughout the decade, including "Noddy's Library", "Noddy's Garage of Books", "Noddy's Castle of Books", "Noddy's Toy Station of Books" and "Noddy's Shop of Books". In 1950 Blyton established the company Darrell Waters Ltd to manage her affairs. By the early 1950s she had reached the peak of her output, often publishing more than fifty books a year, and she remained extremely prolific throughout much of the decade. By 1955 Blyton had written her fourteenth Famous Five novel, "Five Have Plenty of Fun", her fifteenth Mary Mouse book, "Mary Mouse in Nursery Rhyme Land", her