Books like Avatar
Faith Erin Hicks, Peter Wartman, Bryan Konietzko, Michael Dante DiMartino
Avatar is 216 pages, about 3 hours 58 minutes at 250 words a minute.
12 books to read next
How long each takes
The Handmaid's Tale 4.4 h 
Season of Mists 4.1 h 
Magician 9.4 h 
The Kindly Ones 6.5 h 
Creatures of the Night 53 min 
Here 5.6 h 
Fables 2.6 h 
The World of Edena 6.4 h 
Free Country 3.7 h 
Heart in a Box 2.9 h 
Oscar Wilde's The Picture of Dorian Gray 2.4 h 
Ice Cream Man, Vol. 1 2.6 h Bar height shows length. Estimated at 250 words a minute.