Mass Market Paperback in Very Good (VG) condition.
Deep into the heart of the oceans’ unexplored subworlds goes one lonely ship–a new kind of submarine–with a handpicked crew bent on solving a 300-year old riddle.
But the surging ocean deeps take the powerful ship and hurl it like a toothpick miles deeper than any living man has ever penetrated before: for the ocean hides secrets as unknown as those of deep space. Far below the surface of the Earth’s seas the handful of men uncover a wonder and release a terror…