Reviewed by HootRated editorial · Last updated
The planet of Coppelius
Clotilde Bruneau
The text is written at a 3rd grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes. Its HootRating code, C, means gentle content.
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About This Book
On a bright planet where sunlight makes its people lose their colors, the leader Coppelius usually brings back their vibrant hues with a magical event. But now, Coppelius is focused on a new plan that threatens the mysterious shadow lands. A brave Little Prince steps in to help save the balance between light and dark before it's too late.
Themes
Quick Assessment
This is a Level 3-4 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 9-12.
Why we rated The planet of Coppelius C (Gentle)
The planet of Coppelius is written at a Level 3-4 reading level across 56 pages (approximately 2,301 words). Reading-wise, most kids in grade 4 and up can manage The planet of Coppelius on their own; younger readers can enjoy it with a parent or teacher reading along.
Read aloud, The planet of Coppelius takes about 15 minutes, which fits within a single read-aloud session.
We rate The planet of Coppelius as C (Gentle) because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.
Thematically, The planet of Coppelius explores good and evil, heroes, fantasy world-building, and adventure — 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.
- ✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
- ✓ Kids drawn to stories about good and evil, heroes, fantasy world-building.
- ✓ Readers who fall hard for one book and want a long series to live in — there are 14 more books in the Little Prince series.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
C · GentleReading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate
No conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
9/10High engagement — fast-paced, fun, and hard to put down. Great for reluctant 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
- 9780761387701
- Pages
- 56
- Publisher
- Lerner Publishing Group
- Published
- 2014
- Type
- Fiction
- Word Count
- 2,301
- Read-Aloud
- ~15 min
- Text Density
- Picture-Heavy