The lost planet
Rachel Searles
The lost planet
Age Rating, Reading Level & Content Guide
by Rachel Searles
The text is written at a 7th grade reading level, the subject matter is intended for teens (ages 13+), and the content is mild with minimal sensitive material.
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About This Book
What if you woke up on a strange planet with no memory and a mysterious blaster wound? Imagine being trapped behind a fence you weren’t supposed to cross, with only a cryptic message to guide you. Time is running out—can Chase uncover the truth before it’s too late?
Quick Assessment
This young adult science fiction novel follows Chase Garrety, a boy who wakes up on an unfamiliar planet with no memory and a serious injury. As he navigates a mysterious environment and a deadline to fulfill a vital mission, readers will encounter themes of amnesia, survival, and adventure. Suitable for teens aged 13 and up, the story contains mild peril but no graphic content.
Why we rated The lost planet 12LE
The lost planet is written at a Level 7 reading level across 374 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, The lost planet works for readers up to grade 9.0.
We rate The lost planet as 12LE ("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 lost planet explores science & nature, adventure, mystery, coming of age, and fantasy world-building — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 13+ range — the maturity and attention span match the story's pacing.
- ✓ Kids drawn to stories about science & nature, adventure, mystery.
Maybe not for
- ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
For Parents
Content Intensity
12LE — 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
- 9781250038791
- Pages
- 374
- Publisher
- Macmillan
- Published
- 2014
- Type
- Fiction