Books like Champion
Marie Lu, Steven Kaplan, Mariel Stern
Champion is 392 pages, about 7 hours 11 minutes at 250 words a minute.
12 books to read next
How long each takes
Ignite Me 7.6 h 
Star Wars - Lost Stars 10.2 h 
Restore Me 8.1 h 
Delirium 8.1 h 
Pandemonium 7.3 h 
The One 5.9 h 
Red Queen 8.1 h 
Requiem 7.7 h 
Matched 6.8 h 
The Darkest Legacy 10.5 h 
The Fault in Our Stars 5.8 h 
Star Wars - Rebel Rising 7.6 h Bar height shows length. Estimated at 250 words a minute.