A valuable roadmap for anyone interested in distilled spirits, entrepreneurship or the story behind the iconic Maker's Mark brand, Joel Whitaker tells how a living room argument launched Maker's Mark, how the company's banker -- who was also a member of the company's board -- turned it down for a loan, saying there's no future in whiskey, how one incident turned the niche brand -- really, little more than a hobby -- into the most sought-after bourbon in the country, and how the .