Books like The Calcutta Chromosome
Amitav Ghosh
The Calcutta Chromosome is 309 pages, about 5 hours 40 minutes at 250 words a minute.
12 books to read next
How long each takes
The Immortals of Meluha 7.6 h 
Micro 9.1 h 
One Night at the Call Center 5.7 h 
The Zoya Factor 9.3 h 
English, August 5.3 h 
The Girl in Room 105 6.2 h 
The Financial Expert 4.0 h 
The Passage 16.6 h 
Blood Work 8.7 h 
An Atlas of Impossible Longing 6.1 h 
Zoo 7.6 h 
Darwin's Radio 8.1 h Bar height shows length. Estimated at 250 words a minute.