Genius Factor
Paul Tobin
Genius Factor
Age Rating, Reading Level & Content Guide
How to Capture an Invisible Cat
by Paul Tobin
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
Proton, the super-sized invisible cat, barrels through the town like a furry wrecking ball! Nate and Delphine sprint after him, dodging smashed mailboxes and startled neighbors. But just when they think they've got a plan, a shadowy group called the Red Death Tea Society appears—and things get way more dangerous.
Themes
Quick Assessment
This middle-grade novel follows 6th-grader Nate Bannister, a young genius whose experiments often lead to hilarious chaos. When his invisible, super-sized cat Proton runs amok, Nate and his friend Delphine must work together to fix the mess, all while facing a quirky villainous group. Suitable for ages 9-12, the story combines humor and adventure with light suspense, making it an engaging read without intense content.
Why we rated Genius Factor 11LP
Genius Factor is written at a Level 6 reading level across 272 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Genius Factor works for readers up to grade 8.0.
We rate Genius Factor 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, Genius Factor explores humor, adventure, friendship, genius, and children's fiction — 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 humor, adventure, friendship.
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
- 9781408869987
- Pages
- 272
- Publisher
- Bloomsbury Publishing
- Published
- 2016
- Type
- Fiction