What film is a story based on a book about another film that was originally a Novel by C.S. Forester written in 1935? 
White Hunter Black Heart: White Hunter Black Heart is a 1990 American adventure drama film directed by and starring Clint Eastwood and based on the 1953 book of the same name by Peter Viertel. White Hunter Black Heart:  The film is a thinly disguised account of writer Peter Viertel's experiences while working on the classic 1951 film "The African Queen", which was shot on location in Africa at a time when location shoots outside of the United States for American films were very rare. The African Queen (film): The African Queen is a 1951 British-American adventure film adapted from the 1935 novel of the same name by C. S. Forester.
White Hunter Black Heart