Books like The Warlord of Mars #3
Edgar Rice Burroughs
The Warlord of Mars #3 is 142 pages, about 2 hours 36 minutes at 250 words a minute.
12 books to read next
How long each takes
Red Mars 10.9 h 
The Iron Heel 5.3 h 
Emma 8.4 h 
The Invisible Man 3.1 h 
Les Misérables 10.0 h 
War and Peace 13.4 h 
The Jungle 6.4 h 
In the Days of the Comet 5.5 h 
The History of Mr. Polly 4.7 h 
Atlas Shrugged 20.3 h 
The Social Cancer 8.2 h 
Cat's Cradle 4.2 h Bar height shows length. Estimated at 250 words a minute.