Book excerpt: The Billionaires Secret is the story of Herb, a young retired investment banker, who meets Marvin, a geriatric, under-the-radar billionaire and how their chance meeting and friendship changes Herb's financial roadmap and life forever. Their illuminating and sometimes humorous conversations about this hush-hush corner of Wall Street unfold as Marvin teaches Herb the industry's best kept strategies of the preferred stock sector and divulges his tried-and-true investment tactics that made him incredibly wealthy.This tale of friendship and building wealth also serves as an easy-to-understand handbook to playing the field of preferred securities investment. We reveal the real secret to investing just like billionaires -and earning a 10-30% yearly return on investment-with a precise and exhaustive plan for earning those same oversized returns, year-after-year, for the rest of your life. Sounds too good to be true? You be the judge. The Billionaires Secret will change your life just like it did Herb's.