Books like Against the Tide of Years
S. M. Stirling
Against the Tide of Years is 454 pages, about 8 hours 19 minutes at 250 words a minute.
12 books to read next
How long each takes
Replay 6.2 h 
Off to Be the Wizard 6.8 h 
The Many-colored Land 7.6 h 
Deathlands 6.4 h 
The Future of Another Timeline 6.4 h Doctor Who - Inferno 2.4 h 
The Golden Torc 7.0 h 
Here and Now and Then 6.7 h 
Time and Time Again 7.9 h 
The Invisibles 4.2 h 
Origin 9.1 h 
The Vanished Birds 7.9 h Bar height shows length. Estimated at 250 words a minute.