One of the biggest questions of the financial crisis has not been answered until now. What happened at Lehman Brothers and why was it allowed to fail, with aftershocks that rocked the global economy? In this news-making, often astonishing book, a former Lehman Brothers Vice President gives us the straight answers--right from the belly of the beast.

In A Colossal Failure of Common Sense, Larry McDonald, a Wall Street insider, reveals, the culture and unspoken rules of the game like no book has ever done. The book is couched in the very human story of Larry McDonald's Horatio...