Two generals from the northwestern state of Sonora, Álvaro Obregón and Plutarco Elías Calles, dominated Mexico between 1920 and 1934, having risen to prominence in the course of the Mexican Revolution. Torn between popular demands for ending the privileges of wealthy foreign investors and opposition by a hawkish U.S. administration and enemies at home, the two generals and their allies from their home state mixed radical rhetoric with the accommodation of entrenched interests. In The Sonoran Dynasty in Mexico Jürgen Buchenau tells the story of this ruling group, which rejected the...