Books like Ifa Divination
William Russell Bascom
Ifa Divination is 590 pages, about 10 hours 49 minutes at 250 words a minute.
8 books to read next
How long each takes
Fundamentals of the Yorùbá Religion 4.4 h 
Invisible Powers of the Metaphysical World 2.7 h 
Odu Ifa 7.9 h 
Ọdun-Ifa = 12.5 h 
Tradition and Transformation 1.7 h 
The Handbook of Yoruba Religious Concepts 3.1 h Yoruba Heathenism 59 min 
Olódùmarè 4.1 h Bar height shows length. Estimated at 250 words a minute.