Book excerpt: First published in 2003, this account of the anti-terrorist measures of London's financial district and the changes in urban security after 9/11 has been revised to take into account developments in counter-terrorist security and management, particularly after the terrorist attack in London on July 7th 2005. It makes a valuable addition to the current debate on terrorism and the new security challenges facing Western nations. Drawing on the post-9/11 academic and policy literature on how terrorism is reshaping the contemporary city, this book explores the changing nature of the terrorist threat against global cities in terms of tactics and targeting, and the challenge of developing city-wide managerial measures and strategies. Also addressed is the way in which London is leading the way in developing best practice in counter-terrorist design and management, and how such practice is being internationalized.