Books like Obedience to Authority
Stanley Milgram
Obedience to Authority is 224 pages, about 4 hours 6 minutes at 250 words a minute.
7 books to read next
How long each takes
Social Foundations of Thought and Action 10.0 h 
On Power 8.1 h 
Authority and the Individual 1.9 h 
The Problem of Political Authority 7.2 h 
Body Image 4.4 h 
Frustration and Aggression 3.8 h 
The Expulsion of the Other 1.9 h Bar height shows length. Estimated at 250 words a minute.