This is the author's debut novel and it's a good one, it won the Edgar Award for debut mystery. It's the tale of John Wells, the first C.I.A agent to infiltrate Al-Qaeda. Wells has become a Mujahadeen in Afghanistan and has converted to Islam, after leading his fighters for four years he is summoned by Ayman al Zawahiri, Al-Qaeda second in command to return to America and await orders for his operation. In Washington D.C. Jennifer Exley, and Ellis Shafer who are Well's superiors await to hear from him, he has been out of contact for several years and they don't know if he' turned. The story that follows involves Well's winning back the trust of the C.I.A, and being able to stop the massive terror attack planned for America. This book is well written and a lot of fun to read, the author has written two more books featuring John Wells.