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...