The Mexican Revolution of 1910-1920 is among the world's most visually documented revolutions. Coinciding with the birth of filmmaking and the increased mobility offered by the reflex camera, it received extraordinary coverage by photographers and cineastes--commercial and amateur, national and international. Many images of the Revolution remain iconic to this day--Francisco Villa galloping toward the camera; Villa lolling in the presidential chair next to Emiliano Zapata; and Zapata standing stolidly in charro raiment with a carbine in one hand and the other hand on a sword, to...