Books like The Man Who Planted Trees
Jean Giono
The Man Who Planted Trees is 61 pages, about 1 hour 7 minutes at 250 words a minute.
8 books to read next
How long each takes
The Control of Nature 5.0 h 
Under a White Sky 4.7 h 
No One Is Too Small to Make a Difference 2.1 h 
The End of Nature 4.2 h 
The Environmental Imagination 10.8 h Ideas to Postpone the End of the World 1.6 h 
Man's Responsibility for Nature 3.9 h 
Wildwood 7.4 h Bar height shows length. Estimated at 250 words a minute.