Books like A Path Here No Man Thought
Carl Sagan, Richard Turco
A Path Here No Man Thought is 462 pages, about 8 hours 28 minutes at 250 words a minute.
9 books to read next
How long each takes
The Fate of the Earth 4.5 h 
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The Green Imperative 4.7 h 
Environmental Economics 9.1 h 
Warday 7.0 h 
Risikogesellschaft 7.2 h 
Environmental Economics and Management 13.0 h 
Green IT Strategies and Applications 8.8 h 
Emerging Concepts in Urban Space Design 7.2 h Bar height shows length. Estimated at 250 words a minute.