Books like Finding the Mother Tree
Suzanne Simard
Finding the Mother Tree is 384 pages, about 7 hours 2 minutes at 250 words a minute.
8 books to read next
How long each takes
The Overstory 9.7 h 
Grandma Gatewood's Walk 5.2 h 
The Big Burn 6.2 h 
The Hidden Life of Trees 4.8 h 
Unbowed 6.2 h 
Wildwood 7.4 h 
The Global Forest 3.5 h 
The Legacy of Luna 4.9 h Bar height shows length. Estimated at 250 words a minute.