This is one of those rare books that checks every box: literary credibility (National Book Award Finalist), kid appeal (fast-paced, authentic voice), and real substance (trauma, resilience, mentorship, consequences). Reynolds doesn't talk down to kids or sugarcoat hard realities—Castle's life is messy, his dad tried to kill him, his mom works constantly, and he makes bad choices—but the book is ultimately about agency and hope.
The opening scene is intense, and parents should know that going in, but it's not gratuitous. It's the inciting incident that explains why Castle runs, and why he needs someone like Coach to redirect that energy. The track team dynamic is genuinely engaging, and the series structure means kids who get hooked have three more books waiting.
This is a book that builds empathy—kids from different backgrounds will see themselves or their classmates in these characters. And it's a book that reluctant readers actually finish, which is maybe the highest compliment you can give middle-grade fiction.






