Whenever it's a damp, drizzly November (or January) in your soul, where do you go to keep from knocking people's hats off? In Melville's Moby-Dick Ishmael goes to sea, while the novel's sub-sub librarian (Melville's fictional assistant, assistant librarian who scours the earth for the "Extracts") apparently retreats to literary references to the Leviathan. The sub-sub ...