Reading Metrics
Grade Level
Middle Grades Plus (MG+ 6 and up)
Book Level
5.0
Points
7.0
Fiction/Nonfiction
Fiction
Word Count
49081
Points per Word
0.000143
Description
Kai thinks he's found the perfect sanctuary: an abandoned London Underground tunnel where runaways are trained to become Cage Fighters and earn enough money to start new lives. But danger is lurking and the finale is looming...