I read Nassim book, Fooled by Randomness, and liked it a lot. In fact, I should revisit it again. In short, the author discusses the Black Swan and how important they are in everyones life. A Black Swan is an unforeseen event that has dramatic impact on your life. Nassim believes these happen more often than most estimate and within the financial world accounting for such events leads to spectacular downfalls. For those who are short on time/money you may want to cut right to the chase! Here is a summary version for Kindle that might be worth picking up.