When I was a river guide I carried Barry Lopez's River Notes in my ammo box. I liked to lend it to the passengers or read essays from it aloud on my raft. In 2015, I told Barry about its importance to me the first time we had a conversation of more than a few words. He looked at me carefully for a minute and went back to his work. Later I learned through his wife Debra Gwartney how uncomfortable he was hearing that kind of praise. Maybe the words cast him as a god in a way that put pressure on our friendship. [...]