Poseidon's arrow
(Book)

Maps on endpapers.

It is the greatest advance in American defense technology in decades—an attack submarine capable of incredible underwater speeds. Nothing else in any other nation’s naval arsenal even comes close. There is only one problem: A key element of the prototype is missing—and the man who developed it is dead. At the same time, ships have started vanishing mid-ocean, usually never to be found again, but when they are, sometimes bodies are found aboard . . . burned to a crisp.What is going on? And what does it have to do with an Italian submarine that itself disappeared in 1943, lost at sea? Or was she?