Books like Calculating God
Robert J. Sawyer
Calculating God is 338 pages, about 6 hours 12 minutes at 250 words a minute.
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How long each takes
Blindsight 7.0 h 
Empire of Silence 11.2 h 
Contact 7.9 h 
Revenger 7.8 h 
Children of Time 11.3 h 
Manifold 8.5 h 
Star Wars - Thrawn - Treason 7.5 h 
God's Secret Formula 4.0 h 
Shadow Of Freedom 9.6 h 
Destroyer 6.5 h 
Babylon’s Ashes 10.0 h 
Children of the Mind 7.0 h Bar height shows length. Estimated at 250 words a minute.