"... Katz isn't all that unbelievable. I know people like that." says the sauntering one. Katz IS the only believable character in the book. Probably because he is real. (albeit somewhat exaggerated) He was the foil in several other Bryson books. Bryson is a very skilled writer, but not that skilled. He brought Katz along because he needed him to produce a saleable book. Weary