Too Big to Fail: The Inside Story of How Wall Street and Washington Fought to Save the Financial System from Crisis — and Themselves

by Andrew Ross Sorkin

While commercial banks like JP Morgan had large, stable deposit bases, they still funded part of their business the same way the broker-dealers did: by regularly rolling over short-term commercial paper contracts that had become subject to the same erosion of confidence that had brought down Bear Stearns—and now Lehman Brothers.