“Something bashed against the submarine with such a tremendous force that the vessel rocked violently from side to side, throwing people back and forth. Jacob and Whistler weren't ready for the first of these, and they earned bruises as their medals, but the second time the creature shook the ship, they clung to pipes that rattled in their holdings, as if they themselves feared the larger beast that came to feast upon them all.”
Book:Lifemaker