Books like Predictably Irrational
Dan Ariely
Predictably Irrational is 368 pages, about 6 hours 45 minutes at 250 words a minute.
12 books to read next
How long each takes
Nudge 5.7 h 
Thinking, Fast and Slow 9.7 h 
Misbehaving 7.9 h 
Freakonomics 5.9 h 
Superfreakonomics 5.3 h 
A Course in Behavioral Economics 6.2 h 
Super Thinking 6.5 h 
Discover Your Inner Economist 4.6 h 
Buy Ology 4.7 h 
Consumer Behavior 11.3 h 
Brandwashed 5.3 h 
Mindware 6.2 h Bar height shows length. Estimated at 250 words a minute.