Three reviews of Stephen Graham's 2011 book, Cities Under Siege: The New Military Urbanism are now posted. They originated as a symposium organized by Michael Katz at the annual meeting of the Social Science History Association in Boston in November, 2011. The reviewers are George Steinmetz, Alice O'Connor, and Jennifer Light.  Also see Verso's Cities webpage for an interview with Stephen Graham, as well as a link to his article in the Guardian on London's Olympics security.