Books like Grantville Gazette III
Eric Flint
Grantville Gazette III is 317 pages, about 5 hours 49 minutes at 250 words a minute.
12 books to read next
How long each takes
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Man in the Dark 3.5 h 
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Empire of Ivory 7.2 h 
Red Prophet 5.9 h 
The Binding 8.2 h 
Victory of Eagles 7.0 h 
Crucible of Gold 6.5 h 
The Burning Page 8.2 h 
The Mechanical 8.6 h 
Priest Kings of Gor 5.9 h Bar height shows length. Estimated at 250 words a minute.