Books like Atlas of Clinical Fungi
G. S. de Hoog
Atlas of Clinical Fungi is 1,143 pages, about 20 hours 57 minutes at 250 words a minute.
6 books to read next
How long each takes
Entangled Life 6.8 h 
Introductory Mycology 11.2 h 
The Fifth Kingdom 7.1 h 
The Biology of Fungi 2.7 h 
Fundamentals of the Fungi 10.4 h 
Ainsworth & Bisby's Dictionary of the Fungi 11.7 h Bar height shows length. Estimated at 250 words a minute.