Books like Africana Studies
Mario Azevedo
Africana Studies is 556 pages, about 10 hours 12 minutes at 250 words a minute.
6 books to read next
How long each takes
From Babylon to Timbuktu 2.8 h 
The Destruction of Black Civilisation 7.1 h 
African Origin of Civilisation 5.8 h 
African Presence in Early Europe 6.3 h 
Black and British 10.9 h 
The Negro 3.0 h Bar height shows length. Estimated at 250 words a minute.