Books like Sword Art Online刀劍神域
Reki Kawahara
Sword Art Online刀劍神域 is 336 pages, about 6 hours 10 minutes at 250 words a minute.
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How long each takes
In Real Life 3.4 h 
Invasion of the Overworld 3.2 h 
Hunger Games, Catching Fire 2.9 h 
Minecraft Essential Handbook 1.6 h 
Insignia 8.2 h 
Epic 5.9 h 
Tunnel in the Sky 5.0 h 
Minecraft 5.3 h 
Catalyst 7.9 h 
Minecraft - The Crash 5.3 h 
Slay 6.3 h 
The Reality Bug 6.9 h Bar height shows length. Estimated at 250 words a minute.