This authorized edition is the complete report of The National Commission on Terrorist Attacks Upon the United States, created by President George Bush with the mandate to provide the fullest possible account of the events surrounding September 11, 2001 and to identify the lessons learned.

The 9/11 Commission consisted of five Republicans and five Democrats chosen by elected leaders from our nation's capital and was led by chairmen Thomas H. Kean and Lee H. Hamilton. During the course of their investigation, they reviewed millions of pages of documents, interviewed more than 1,200 individuals in ten countries and held 19 days of hearings and took public testimony from 160 witnesses.