Books like The Four Temperaments
Randy Rolfe
The Four Temperaments is 254 pages, about 4 hours 39 minutes at 250 words a minute.
10 books to read next
How long each takes
De Medicina 9.2 h 
Ancient Healing Secrets 3.5 h 
Your Body Doesn't Lie 2.9 h 
Super Brain 6.2 h 
Concepts in Health and Wellness 10.2 h 
Proof Positive 10.7 h 
Total Fitness and Wellness 7.9 h 
Healthy Brain, Happy Life 5.7 h 
Superlife 5.7 h 
If Our Bodies Could Talk 7.1 h Bar height shows length. Estimated at 250 words a minute.