Books like The Conference of the Birds
Ransom Riggs, Kirby Heyborne
The Conference of the Birds is 336 pages, about 6 hours 10 minutes at 250 words a minute.
6 books to read next
How long each takes
Midnight Sun 12.4 h 
Call Down the Hawk 8.7 h 
Mister Impossible 8.8 h 
Spells Trouble 5.9 h 
Rage and Ruin 10.6 h 
Greywaren 6.5 h Bar height shows length. Estimated at 250 words a minute.