Billy Collins's six favorite books

One of Billy Collins's six favorite books, as shared at The Week magazine:
The Origin of Consciousness in the Breakdown of the Bicameral Mind by Julian Jaynes

This is one of the best titles to drop when asked what you're currently reading, and also a revealing, radical study of our divided brains. According to Jaynes, people who hear voices (be they mystics or schizophrenics) may just be