The Adventures of Ben Gunn is a 1956 adventure novel by the British writer R.F. Delderfield. It is a prequel to Robert Louis Stevenson's Treasure Island.Drew p.61
In 1958 it was adapted into a BBC television series of the same title starring Peter Wyngarde and Rupert Davies.Baskin p.32
References
Bibliography Baskin, Ellen . Serials on British Television, 1950-1994. Scolar Press, 1996. Drew, Bernard A. Literary Afterlife: The Posthumous Continuations of 325 Authors' Fictional Characters. McFarland, 2010.