Books like The Space Merchants
Frederik Pohl, Cyril M. Kornbluth
The Space Merchants is 176 pages, about 3 hours 14 minutes at 250 words a minute.
6 books to read next
How long each takes
Cinder 7.8 h 
The Caves of Steel 4.5 h 
Make Room! Make Room! 4.2 h 
The Wanting Seed 5.2 h 
The Tower and the Hive 6.8 h 
The World Inside 3.5 h Bar height shows length. Estimated at 250 words a minute.