Richardson is the author of '' What Terrorists Want '' , an account of terrorism written after the September 11 attacks . Other publications include '' When Allies Differ : Anglo-American Relations in the Suez and Falkland Crises '' , '' The Roots of Terrorism '' ( ed ) and '' Democracy and Counterterrorism : Lessons from the Past '' ( co-edited with Robert Art ) . She has also published many journal articles , book chapters , and reviews on the subject of terrorism
September 11 attacks
September 11 attacks
Louise Richardson