July 30, 2012 Astrophysicist Adam Frank doesn't usually read self-help books, but something about Walker Percy's existential optimism in Lost In The Cosmos actually changed his outlook on life. Do you have a favorite self-help book? Tell us in the comments below.
<iframe src="http://www.npr.org/player/embed/157305871/166259092" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
NPR thanks our sponsors
Become an NPR sponsor