 Smith claims that the 1981 film "Island Claws", which told a similar story about giant crabs on the coast of Florida, was an adaptation of his work though neither Smith nor his novel were credited on the film.To date, Smith has had over a thousand short stories and magazine articles published.He has written a series of children's books under the pseudonym Jonathon Guy, two thrillers under the name Gavin Newman, and a dozen non-fiction books on various countryside matters.