Books like Joseph Smith
Richard L. Bushman
Joseph Smith is 740 pages, about 13 hours 34 minutes at 250 words a minute.
7 books to read next
How long each takes
No Man Knows My History 8.7 h 
Early Mormonism and the Magic World View 8.8 h 
Mormon Doctrine 15.7 h 
A Lady's Life in the Rocky Mountains 5.4 h The Polygamist's Daughter 5.8 h 
Shattered Dreams 7.3 h 
The Sound of Gravel 6.5 h Bar height shows length. Estimated at 250 words a minute.