Berkely Mather the pseudonym of John Evan Weston-Davies, was a British author who published fifteen novels and a book of short stories. He also wrote for radio, television and the movies.

Genghis Khan (1965) is a novelisation of the 1965 film of the same name, for which he had written the original story. Mather's other motion picture credits include The Long Ships and Dr. No with Mather borrowing a copy of Fleming's original novel from his son. Mather also provided uncredited rewrites of the screenplays for From Russia with Love and Goldfinger.

James Bond film producers Albert R. Broccoli and Harry Saltzman purchased the film rights to The Pass Beyond Kashmir for Columbia Pictures in 1963. Sean Connery and Honor Blackman were to star. Production was to have begun in late 1964 in Britain and on location in the Far East.