On the Edge by Nate Silver
6.5 out of 10

How do people think about risk?  Is it related to ethics?  Many quantitative types have been successful on Wall Street, around Silicon Valley, and in Las Vegas.  In this book, the author tells personal anecdotes and speaks about acquaintances in finance, tech, sports, politics, and gambling.  The primary proposition is that risks do not occur in isolation.  Game theory affects how potential outcomes should be measured.