Books like Outlaw of Gor
John Norman, Robert Foster
Outlaw of Gor is 228 pages, about 4 hours 11 minutes at 250 words a minute.
12 books to read next
How long each takes
The Swords of Lankhmar 4.1 h 
Small Gods 6.4 h 
The Elfstones of Shannara 11.2 h 
A Princess of Mars 3.2 h 
Season of Mists 4.1 h 
The Eye of the World 14.4 h 
Conan 3.5 h 
Foundation 4.4 h 
The Chronicles of Pern 5.6 h 
Lord Valentine's Castle 8.6 h 
Project Hail Mary 9.1 h 
Homeland 6.0 h Bar height shows length. Estimated at 250 words a minute.