Books like The Sistine Secrets
Benjamin Blech, Roy Doliner
The Sistine Secrets is 344 pages, about 6 hours 18 minutes at 250 words a minute.
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Pierre-Auguste Renoir, 1841-1919 1.8 h 
Pablo Picasso, 1881-1973 1.8 h 
Don Segundo Sombra 4.9 h Bar height shows length. Estimated at 250 words a minute.