Well-researched and brilliantly executed. This book is terrifying, more so because you know how it all ends. This was no slap-dash circumstance. This was the culmination of decades of plotting and planning. Any serious person who wants to comment on current geopolitics must read this book.

Giving a fascinating history of the Islamist movement and an insider's account of the CIA and FBI agents who investigated al-Qaeda, this is a very well-researched book. The assertions and information are based on a wide variety of credible and knowledgeable sources. It is interesting and relevant, well-written and smartly organized, and perhaps most importantly, offers a well-constructed narrative.

While this book doesn't present any new groundbreaking theories or explanations of 9/11, of Islamist terrorist groups, or of the performance of the two agencies charged with defending us from such groups, it does however provide vivid details and weave a captivating narrative of the individuals that make up the story. Based on numerous interviews with the key actors, it is a riveting inside the locker room look at the groups that provide the greatest threat to our national security and those who are its sworn protectors.

Wright strikes a balance between maintaining journalistic integrity and neutrality while working in astute observations and analysis, and leaves the reader pondering many relevant issues, considering what might have been and what could be.