Behind every successful entrepreneur is a list of books that have helped them navigate the intricacies of running a business and living a victorious life.

While more recent books like Phil Knight's "Shoe Dog," Ray Dalio's "Principles" and Simon Sinek's "Start with Why" stand out as a few favorites of top CEOs, Warren Buffett and Bill Gates both agree that the best business book of all time was written 50 years ago.