Books like The Ancestor's Tale
Richard Dawkins
The Ancestor's Tale is 673 pages, about 12 hours 20 minutes at 250 words a minute.
12 books to read next
How long each takes
Darwin's Dangerous Idea 10.8 h 
Ever Since Darwin 5.2 h 
The Phenomenon of Man 5.9 h 
The Book of Life 4.7 h 
The Third Chimpanzee 7.9 h 
Animal Behavior 10.9 h 
Darwin's Radio 8.1 h 
Purpose & Desire 6.1 h 
Evolution 12.3 h 
The Big Picture 8.8 h 
The Descent of Man 12.9 h 
Darwin's Black Box 5.6 h Bar height shows length. Estimated at 250 words a minute.