The plot is fast-moving with a few surprising turns. The action spans from Iraq to Turkey to England. The plot also includes a lot of intrigue involving not only the mercenary company that formerly employed Locke, but also a power struggle in Saudi Arabia.
Tag - Mercenary
I think the book is well done - it brings to light a world that is not easily uncovered due to the secrecy of the security firms and the U.S. government.