A veteran of years of Navy diving--years which included World War II and the Korean War gives fascinating glimpses into the select group of men who spend much of their working time underwater. From salvaging wrecks at stricken Pearl Harbor, to fighting off sharks around Australia and the Philippines, to studying atomic bomb results in 1947, story typifies the life of adventure many Navy divers lead. One fascinating segment alone deserves special mention here, and makes the book bly worthwhile. Earn was one of the divers used to inspect the wreck on the Japanese cruiser off the Philippines in 1944. He tells how he inspected the ken ship to determine its peculiar construction, then found war plans and which told many secrets of the Pacific campaign.