Mark Cuban shares his wealth of experience and business savvy in his first published book, '' How to Win at the Sport of Business.'' One of the world's wealthiest entrepreneurs, Mark Cuban has collected and updated the greatest material from his popular blog, ''blog maverick,'' to provide a handbook of insider knowledge on what it takes to become a thriving entrepreneur. Cuban's story is a stunning tale of rags-to-riches, as he went from selling powdered milk and sleeping on friends' couches to owning his own company and becoming a multi-billion dollar success story. Cuban's business tips will be inspirational to entrepreneurs at any stage of their careers. His ideas may be unconventional, but Cuban shares why and how they've worked for him and will work for you, too.