After the attack of 9/11, the FBI discovered at three different locations a document disclosing how the attackers of 9/11 conceived of their violence and prepared for it. This book contains the first scholarly edition of the Arabic text of the Manual of the Attackers of 9/11, along with an English translation and commentary, and studies concerning its context. The 19 young attackers prepared for their action by spiritual means and this preparation is at the centre of the exercises of the Manual, while the military character of the attack on the economic, military and political centres of today