The revelation
Katherine Applegate
The revelation
Age Rating, Reading Level & Content Guide
by Katherine Applegate
The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content has moderate intensity with some emotionally heavy themes.
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About This Book
There’s something nobody knows—Marco’s dad is caught in a secret battle against alien invaders who want to control his mind. Marco faces a choice: rescue his dad alone or risk everything by bringing his friends into a dangerous fight. But that’s only the beginning.
Quick Assessment
This middle-grade science fiction novel follows Marco as he tries to save his father from alien kidnappers known as Yeerks. It explores themes of bravery, loyalty, and the challenges of keeping secrets in high-stakes situations. Suitable for ages 9-12, the story includes mild peril and emotional tension but no graphic content.
Why we rated The revelation 9ME
The revelation is written at a Level 4-5 reading level across 127 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The revelation works for readers up to grade 6.5.
We rate The revelation as 9ME ("Moderate — Emotional") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from emotional weight, physical peril — these are the dimensions parents should evaluate against their reader's tolerance.
No specific content flags were raised by community reviewers, which is consistent with the moderate intensity score.
Thematically, The revelation explores adventure, science & nature, friendship, family, and coming of age — 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.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Readers ready to talk through themes after they finish — there's enough substance for a meaningful conversation.
- ✓ Kids drawn to stories about adventure, science & nature, friendship.
Maybe not for
- ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
9ME — Moderate — EmotionalReal stakes and emotional weight. May include sustained danger, loss, or bullying.
Was our "Moderate" content intensity rating accurate for this book?
Reading Insights
Hook Factor
2/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
4/10Good conversation starter with themes worth exploring together.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780439992473
- Pages
- 127
- Publisher
- Scholastic
- Published
- 2001
- Type
- Fiction