Alan Caillou was the pseudonym under which Alan Lyle-Smythe (November 9, 1914 to October 1, 2006),wrote. His books often rely on his experiences as a hunter. His World War ll experiences in military intelligence were the basis for a non-fiction book. The world Is Six Foot Square (1954,) is an "account of the author's adventures after his capture by the Italians in the Western desert."
Lyle-Smith also was an actor and screen-writer. Two of his popular titles:
Bichu the Jaguar (1969) and The Cheetahs: a novel (1969), on which Disney based a movie in 1989. He wrote lots more adventure stories.