Books like The Legend of Korra
Michael Dante DiMartino
The Legend of Korra is 160 pages, about 2 hours 56 minutes at 250 words a minute.
12 books to read next
How long each takes
Star Wars - Clone Wars - Character Encyclopedia 3.8 h 
The Elements of Harmony 4.7 h 
I Survived 2.1 h 
Ninth Ward 4.0 h 
Sword Art Online刀劍神域 6.2 h 
Sword Art Online 4.9 h 
ワンパンマン 2 3.7 h 
Avatar 1.4 h Bodyguard 5.0 h 
Pedro and Me 3.4 h 
Sheets 5.3 h 
Kaya's Escape 1.3 h Bar height shows length. Estimated at 250 words a minute.