Credited to Leslie Charteris on the front cover , Fleming Lee was credited with writing the novellas .
Which were adaptations of two episodes from the 1962 - 69 television series The Saint originally written by Michael Pertwee .
Although credited to Leslie Charteris on the front cover , Fleming Lee was credited with writing the novellas , which were adaptations of two episodes from the 1962 - 69 television series The Saint originally written by Michael Pertwee .