Penn Jillette's six favorite books

Penn Jillette is an author and magician. His latest book is Every Day Is an Atheist Holiday.

One of his six favorite books, as told to The Week magazine:
Moby-Dick by Herman Melville

My favorite book; I'm always reading it. As soon as I finish it, I start it again. Consider this line: “So ignorant are most landsmen of some of the plainest and most palpable wonders of the world, that without