Books like How to Live Longer and Feel Better
Linus Pauling
How to Live Longer and Feel Better is 368 pages, about 6 hours 45 minutes at 250 words a minute.
8 books to read next
How long each takes
Ageless Body, Timeless Mind 6.3 h 
Principles of Cancer Biology 6.2 h 
The Postmortal 6.8 h 
The Longevity Diet 5.5 h 
Ending Aging 7.5 h 
Grow Young with HGH 7.3 h 
Life Extension 11.8 h 
Ageless 6.0 h Bar height shows length. Estimated at 250 words a minute.