Joey and Johnny, the Ninjas
Kevin Serwacki
Joey and Johnny, the Ninjas
Age Rating, Reading Level & Content Guide
Epic Fail
by Kevin Serwacki
The text is written at a 6th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.
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About This Book
Joey and Johnny are racing through Kickfoot Academy, dodging shadows and secrets. Just when they think the biggest challenge is over, a mysterious tea ceremony turns into a wild ninja mission. What hidden dangers await them in the shadows of the past?
Themes
Quick Assessment
This middle-grade fiction book follows two best friends and ninja trainees as they embark on a humorous and action-packed adventure. Suitable for ages 9-12, it combines friendship, mystery, and light suspense in a school setting without any intense content. The story encourages teamwork and problem-solving in a fun, engaging way.
Why we rated Joey and Johnny, the Ninjas 11LP
Joey and Johnny, the Ninjas is written at a Level 6 reading level across 245 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Joey and Johnny, the Ninjas works for readers up to grade 8.0.
We rate Joey and Johnny, the Ninjas as 11LP ("Light — Physical") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.
Thematically, Joey and Johnny, the Ninjas explores friendship, adventure, and humor — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
- ✓ Kids drawn to stories about friendship, adventure, humor.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
11LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780062299369
- Pages
- 245
- Publisher
- HarperCollins
- Published
- 2016
- Type
- Fiction