Paul J. Vanderwood is Professor Emeritus of Mexican History at San Diego State University. He is the author of several books, including The Power of God Against the Guns of Government: Religious Upheaval in Mexico at the Turn of the Nineteenth Century; Border Fury: A Picture Postcard Account of the Mexican Revolution and U.S. War Preparedness, 1910–1917; and Disorder and Progress: Bandits, Police, and Mexican Development.