Books like The Greengage Summer
Rumer Godden
The Greengage Summer is 208 pages, about 3 hours 49 minutes at 250 words a minute.
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LIBERATION DAY - A Nick Stone Mission 7.3 h 
Fair Stood the Wind for France 4.7 h 
A Sentimental Journey Through France and Italy 4.2 h Bar height shows length. Estimated at 250 words a minute.