It would be difficult to overstate the impact that Sam Walton had on business. The stand-alone box stores he pioneered changed America and the world. His innovations in supply-chain management and distribution reshaped the relationship between suppliers and retailers and took wholesalers out of the equation. He altered customers' expectations as well as the prices they paid for everything from socks to soda. Like few leaders before or since, Sam Walton changed the world. Here, in this short-form book, is what you can learn from him.