How I made a billion: how 6 billionaires made their money (Business Knowledge Book 1)

How I made a billion highlights how 6 of the world's billionaires made their money. The book gives you a biography of these billionaires including the businesses that made them billionaires. The billionaires in this book are Bill Gates, Warren Buffet, Jeff Bezos, Michael Bloomberg, Mark Zuckerberg and Philip Green.