Books like Human Motivation
Robert E. Franken
Human Motivation is 529 pages, about 9 hours 42 minutes at 250 words a minute.
6 books to read next
How long each takes
Motivation and Personality 7.3 h 
Punished by Rewards 8.1 h 
The Hidden Brain 5.0 h 
Motivation 8.1 h 
Motivation 8.5 h 
Towards a Psychology of Being. 4.4 h Bar height shows length. Estimated at 250 words a minute.