Books like Optimal Experience
Mihaly Csikszentmihalyi, Isabella Selega Csikszentmihalyi
Optimal Experience is 423 pages, about 7 hours 45 minutes at 250 words a minute.
6 books to read next
How long each takes
Crazy Like Us 5.9 h 
Manhood in the Making 4.9 h 
The Geography of Thought 5.3 h 
Birth in Four Cultures 2.6 h 
Transcultural Nursing 10.0 h 
Conflict Mediation Across Cultures 5.7 h Bar height shows length. Estimated at 250 words a minute.