Is investing in bonds risky?

"This Element is an excerpt from Higher Returns from Safe Investments: Using Bonds, Stocks, and Options to Generate Lifetime Income (ISBN: 9780137003358) by Marvin Appel. How to accurately evaluate the risks associated with bond investing. Although the public considers bonds to be safe--and for the most part this reputation has been justified--in 2008 and early 2009, some areas of the bond markets experienced unprecedented losses. Your goal is to avoid the potential minefield that is today's bond market"--Resource description page.