Down the Cayman wall is not only about giant sea creatures but the discovery of an island, its people, its places and its deep secrets. The author spent 8 years diving a 21ft research submarine to 1000 feet in and around George Town, Grand Cayman. A mysterious encounter underwater leads Gary on a hunt for answers about the deep. The problem is ultimately solved while the author is guiding an expedition into the Cayman Trench for a film crew from the BBC "Blue Planet." The story includes Gary's path to Grand Cayman, piloting research submarines and accumulating a record number of dives. His experiences and encounters range from hilarious to peculiar, and even totally surreal, but are never less than fascinating. The interaction with the sea, the Island and its' people provides vivid glimpses of life in a Caribbean paradise . The culmination of the book is an historical encounter with a giant underwater creature which answered the question of Gary's mysterious encounter but led to so many more..