The WealthManagement.com list of the Ten Best Business Books, now in its second year, recognizes the most useful business books for financial professionals. Over 25,000 business books were published in 2013. WealthManagement.com editors got together and think that readers who check out the following books will be well rewarded. As always, we tried for a mix of the high-profile, the hidden gems, and we threw in a financial thriller for fun. In each case, a key takeaway is offered. Enjoy!