Books like Gregor and the Code of Claw
Suzanne Collins
Gregor and the Code of Claw is 365 pages, about 6 hours 42 minutes at 250 words a minute.
12 books to read next
How long each takes
A Grimm Warning 8.8 h 
Sky in the Deep 6.5 h 
Seeing Redd 6.9 h 
Triss 7.1 h 
The Long Patrol 6.8 h 
The Cry of the Icemark 8.7 h 
The Kestrel 4.5 h 
Wonder Woman--Warbringer 7.0 h 
The Battle for WondLa 8.8 h 
Eragon 10.6 h 
Legend 5.7 h 
Charlotte's Web 3.4 h Bar height shows length. Estimated at 250 words a minute.