Books like Return of the Dragon Slayers
Brandon Mull
Return of the Dragon Slayers is 611 pages, about 11 hours 12 minutes at 250 words a minute.
12 books to read next
How long each takes
Fire & Blood 16.1 h 
Brisingr 14.4 h 
The Priory of the Orange Tree 15.6 h A Dawn of Onyx 7.3 h When the Moon Hatched 11.7 h 
Fool's Fate 14.8 h 
The Earthsea Quartet 12.9 h 
Three Hearts and Three Lions 3.3 h Apprentice to the Villain 7.6 h 
Eona 11.7 h 
City of Dragons 6.9 h 
Blood of Dragons 8.8 h Bar height shows length. Estimated at 250 words a minute.