Here’s a list of the 25 most influential business books ever written (picked by Time). If you haven’t read Dale Carnegie’s “How to Win Friends and Influence People“, I would start with that one. No book in the self-help category matters more than this book. Most of these are a bit older, but all of them that I’ve read are timeless and the principles and fundamentals are still relevant today even if written 20-40 years ago. If you are looking for some extra motivation and tips from some of the brightest business leaders of our time, this list should be a good starting point.