We are told that Western/Christian and Muslim/Arab civilizations are heading towards inevitable conflict. The demographics of the West remain sluggish, while the population of the Muslim world explodes, widening the cultural gap and all but guaranteeing the outbreak of war. Leaving aside the media's sound and fury on this issue, measured analysis shows another reality taking shape: rapprochement between these two civilizations, benefiting from a universal movement with roots in the Enlightenment.

The historical and geographical sweep of this book discredits the notion of a specific...