What's the secret to thinking like a CEO? According to Jessica Mah, co-founder of InDinero, it's simple -- just read 100 books a year. She's not the only one insisting that, if you want to be super successful, you need to read more. Business greats like Bill Gates and Warren Buffett have said much the same thing. Mark Zuckerberg publicly got through 23 titles as part of his book club last year.