Understanding What Went Wrong On Wall Street
A friend who knows the finance end of things, who always has good recommendations, suggested reading this book, Charles Gasparino's The Sellout: How Three Decades of Wall Street Greed and Government Mismanagement Destroyed the Global Financial System.

Combine it with my book, I See Rude People: One woman's battle to beat some manners into impolite society, and get free shipping at Amazon, to boot!