I’d direct you all to read my fellow FPA blogger and global film critic, Sean Patrick Murphy, as he takes on the Iraqi war flick The Green Zone, based on Ray Chandresekaran’s excellent Imperial Life in the Emerald City.
http://globalfilm.foreignpolicyblogs.com/2010/07/27/green-zone-2010/
Have a look before you catch it on the small-screen. Sounds like you might be better off sticking with the book.