Most books are "business card" books. A "business card" book is a book that helps the author establish credentials. It works as a business card. But today, James wants to talk about "braingasm" books. Your brain has an orgasm while you're reading these books – they're that good. James recently wrote a post about books like these, called "The 10 Most Important Books to Expand Your Mind," and today he's going to review a few of them.   Listen to James' list and hear why he thinks they deserve to be on it.