Books like The Dragon and the George
Gordon R. Dickson
The Dragon and the George is 288 pages, about 5 hours 17 minutes at 250 words a minute.
12 books to read next
How long each takes
The Waning of the Middle Ages 6.8 h 
Oona Out of Order 6.2 h 
No Longer Human 3.4 h 
Slowness 2.9 h 
Doomsday Book 10.4 h 
A Distant Mirror 12.9 h 
The Second Lady Emily 4.1 h 
Mariana 7.0 h 
The Map of Time 12.0 h 
The Viscount Who Loved Me 7.3 h 
Persuasion 4.9 h 
An Offer from a Gentleman 7.6 h Bar height shows length. Estimated at 250 words a minute.