Books like Hard Optimism
Price Pritchett
Hard Optimism is 144 pages, about 2 hours 38 minutes at 250 words a minute.
8 books to read next
How long each takes
Authentic Happiness 6.2 h 
The Happiness Advantage 4.7 h 
The Optimistic Child 6.2 h 
Positive Psychology 7.6 h 
Everything Is Figure Outable 5.6 h 
Excuse Me, Your Life Is Waiting 4.5 h 
Applied Positive Psychology 4.8 h 
Kiss That Frog 3.2 h Bar height shows length. Estimated at 250 words a minute.