I nominate the 1983 winner of the National Book Award for History...
Voices of Protest: Huey Long, Father Coughlan and the Great Depression by
Alan Brinkley
I suspect that readers of today will see parallels between the politics of the '30s and the politics of this year's presidential race.
Amazon
http://www.amazon.com/Voices-Protest...dp/B005DB6SCA/
B&N nook
http://www.barnesandnoble.com/w/voic...ley/1102301827
Kobo
https://store.kobobooks.com/en-us/eb...ces-of-protest