The On-File Series Planets
School Specialty Publishing, Carson-Dellosa Publishing
The On-File Series Planets
Age Rating, Reading Level & Content Guide
by School Specialty Publishing, Carson-Dellosa Publishing
The text is written at a 2nd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.
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About This Book
Planets aren't just balls of rock and gas—they are mysterious worlds with secrets waiting to be discovered! Explore their unique features, from scorching deserts to icy rings, and find out why understanding them helps us learn about our own Earth.
Themes
Quick Assessment
This early reader nonfiction book introduces young children to the planets of our solar system with engaging facts and vivid illustrations. Suitable for ages 5-8, it supports science learning in an accessible way without intense content. The book encourages curiosity about space and basic astronomical concepts.
Why we rated The On-File Series Planets 7C
The On-File Series Planets is written at a Level 2 reading level across 4 pages. Strong independent readers around grade 3.0 can typically handle this book on their own; with parent or teacher support, The On-File Series Planets works for readers up to grade 4.0.
We rate The On-File Series Planets as 7C ("Clear") 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 On-File Series Planets explores science & nature, juvenile nonfiction, and space science — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about science & nature, juvenile nonfiction, space science.
- ✓ Curious kids who prefer real-world topics over made-up stories.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
7C — ClearNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
1/10A 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
- 9780742428690
- Pages
- 4
- Publisher
- Instructional Fair
- Published
- March 25, 2004
- Type
- Nonfiction