The case of the battling bots
O'Donnell, Liam
The case of the battling bots
Age Rating, Reading Level & Content Guide
by O'Donnell, Liam
Illustrated by Deas, Mike, 1982- illustrator
The text is written at a 4th 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
The clang of metal echoes as Tank the goblin detective ducks just in time! Sparks fly from the battle bots as Fizz, the clever troll, fiddles frantically with a mysterious spellbook. Suddenly, the ground trembles—what ancient evil is about to break free?
Quick Assessment
This middle-grade fantasy mystery follows a goblin detective and a tech-savvy troll as they face off against enchanted battle bots and a looming ancient demon. Suitable for ages 9-12, the story combines imagination with suspense and problem-solving, featuring mild fantasy peril and themes of friendship and adventure. Parents should note the presence of magical creatures and fantasy conflict, which are handled in an age-appropriate way.
Why we rated The case of the battling bots 9LP
The case of the battling bots is written at a Level 4-5 reading level across 160 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The case of the battling bots works for readers up to grade 6.5.
We rate The case of the battling bots as 9LP ("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, The case of the battling bots explores mystery, fantasy world-building, adventure, and friendship — 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 mystery, fantasy world-building, adventure.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LP — 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
- 9781459808133
- Pages
- 160
- Publisher
- Tank & Fizz
- Published
- 2016
- Type
- Fiction