I wrote a book in 2010, Afghanistan Jour­nal: Selec­tions from

Mr. Foust is no longer an unknown. He has become — through will pow­er, omniv­o­rous appetite, field work as a defense con­sul­tant and a strong dis­gust at ana­lyt­i­cal medi­oc­rity — an attuned observ­er of the Amer­i­can-led effort in Afghanistan.” — New York Times, 2010

You can pur­chase it here.