The speed of light
Carlson, Ron.
The speed of light
Age Rating, Reading Level & Content Guide
A Novel
by Carlson, Ron.
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
Crunching leaves and crisp mountain air fill your lungs as two best friends hike deeper into the Wyoming wilderness. The sky above flickers with a strange signal, a mysterious beacon calling them forward. What secrets will this glowing message reveal about their friendship and the journey ahead?
Quick Assessment
This middle-grade novel follows two best friends as they explore the Wyoming mountains, unraveling mysteries tied to a mysterious signal from a fallen beacon. Suitable for ages 9 to 12, it touches on themes of friendship, family life, and scientific curiosity through experiments and baseball. The story balances adventure with emotional depth, without intense content concerns for this age group.
Why we rated The speed of light 11LE
The speed of light is written at a Level 6 reading level across 280 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, The speed of light works for readers up to grade 8.0.
We rate The speed of light as 11LE ("Light — Emotional") 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 speed of light explores friendship, family, adventure, science & nature, and sports — 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 friendship, family, adventure.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
11LE — Light — EmotionalLight 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
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 0380978377
- Pages
- 280
- Publisher
- Penguin
- Published
- 2003
- Type
- Fiction