The world’s most successful people do one thing in common: they read. They consider books their most profitable investment. From $2 to $500 billion In a small grocery store in Omaha, Nebraska, two teenage boys worked to make a daily wage. Both were natural entrepreneurs. The older boy bred and sold hamsters on the side. The younger boy, grandson of the grocery store owner, ran paper routes and sold coke bottles for extra income. Working in the store, each boy made $2 per day. A few decades down the line, they’d be managing a company worth over $500 billion and