Books like Historians of Medieval India
Peter Hardy
Historians of Medieval India is 146 pages, about 2 hours 41 minutes at 250 words a minute.
7 books to read next
How long each takes
The Historian's Craft 3.6 h 
Currant Events 6.5 h 
The Murder of History 5.1 h 
The Confessor 10.4 h 
History and Historians 2.6 h 
The Crusades Through Arab Eyes 5.8 h 
The Writer's Guide to Everyday Life in the Middle Ages 4.3 h Bar height shows length. Estimated at 250 words a minute.