Books like The Power of Babel
John H. McWhorter
The Power of Babel is 328 pages, about 6 hours 1 minute at 250 words a minute.
7 books to read next
How long each takes
The Unfolding of Language 6.6 h 
Through the Language Glass 5.6 h 
Empires of the Word 11.4 h 
How Language Works 9.3 h 
The Prehistory of the Mind 5.3 h 
Grooming, Gossip and the Evolution of Language 4.2 h 
The First and Second Discourses 4.6 h Bar height shows length. Estimated at 250 words a minute.