Books like The Life of Vertebrates
J. Z. Young
The Life of Vertebrates is 767 pages, about 14 hours 4 minutes at 250 words a minute.
6 books to read next
How long each takes
Vertebrate Life 13.5 h 
The Vertebrate Body 11.5 h 
Comparative Anatomy of the Vertebrates 9.7 h 
Vertebrates 14.3 h 
Functional Anatomy of the Vertebrates 13.6 h 
Comparative Vertebrate Anatomy 10.0 h Bar height shows length. Estimated at 250 words a minute.