Why was Lehman ignored when everyone else was bailed out? A risk advisor for top financial institutions and top B-school professor, Mark Williams explains how uncontrolled risk toppled a 158-year-old institution, using this story as a microcosm to illuminate the interconnection of the global financial system, as well as broader policy implications. This story is told through the eyes of an experienced risk manager and educator in a detailed and engaging way and provides the reader with a complete summary of how a savvy company with sophisticated employees and systems could have gotten it so wrong.