One of our foremost authorities on modern Afghanistan, Barnett R. Rubin has dedicated much of his career to the study of this remote mountain country. He served as a special advisor to the late Ambassador Richard Holbrooke during his final mission to the region and still serves the Obama administration under Holbrooke's successor, Ambassador Marc Grossman.

Now Rubin distills his unmatched knowledge of Afghanistan in this invaluable book. He shows how the Taliban arose in resistance to warlords some of whom who were raping and plundering with impunity in the vacuum of authority left by the...