The return of the Great Brain
Unknown
The return of the Great Brain
Age Rating, Reading Level & Content Guide
by Unknown
The text is written at a 5th 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 clever and quick-witted boy known as the Great Brain is back, using his smarts and schemes to crack a mysterious train robbery. Together with his brother, they dive into an exciting adventure filled with clever tricks and daring plans. Get ready for a fun ride full of surprises and clever problem-solving!
Quick Assessment
This is a Level 5-6 book with mild content intensity. Content themes include mild peril. Written for readers ages 9-12.
Why we rated The return of the Great Brain 10LP
The return of the Great Brain is written at a Level 5-6 reading level (approximately 40,120 words). Strong independent readers around grade 6.5 can typically handle this book on their own; with parent or teacher support, The return of the Great Brain works for readers up to grade 7.5.
Read aloud, The return of the Great Brain runs about 4.5 hours — long enough to span several bedtime sessions.
We rate The return of the Great Brain as 10LP ("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.
Specific content flags noted by reviewers: Mild Peril.
Thematically, The return of the Great Brain explores adventure, friendship, family, and mystery — 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.
- ✓ Readers who like a steady plot with enough momentum to keep pages turning.
- ✓ Kids drawn to stories about adventure, friendship, family.
- ✓ Readers who fall hard for one book and want a long series to live in — there are 7 more books in the Great Brain series.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
10LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Content Flags
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
6/10Engaging read with solid pacing and interesting themes.
Discussion Potential
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
More in the Great Brain Series
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The great brain is back
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Details
Book Length
- ISBN
- 0440459419
- Word Count
- 40,120
- Read-Aloud
- ~4h 27m