Extraterrestrial Zoo 1
Samantha van Leer
Extraterrestrial Zoo 1
Age Rating, Reading Level & Content Guide
Finding the Lost One
by Samantha van Leer
The text is written at a 6th 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
Ava isn't just any 13-year-old—she helps care for real alien creatures at her family's zoo! When a fierce storm sets the extraterrestrials loose and her uncle disappears, Ava must team up with a mysterious new boy to protect the zoo and uncover a shocking government secret. What she discovers could change everything she thought she knew about her world!
Quick Assessment
This middle-grade science fiction novel follows 13-year-old Ava, who helps run a zoo full of extraterrestrial creatures. After a family tragedy and growing challenges at the zoo, Ava faces a dangerous situation when the creatures escape and a government conspiracy emerges. Suitable for ages 9-12, the story touches on themes of loss, family dynamics, and trust, with mild peril and emotional moments.
Why we rated Extraterrestrial Zoo 1 11ME
Extraterrestrial Zoo 1 is written at a Level 6 reading level across 240 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Extraterrestrial Zoo 1 works for readers up to grade 8.0.
We rate Extraterrestrial Zoo 1 as 11ME ("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, Extraterrestrial Zoo 1 explores adventure, family, science & nature, and mystery — 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 adventure, family, science & nature.
Maybe not for
- ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
For Parents
Content Intensity
11ME — 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
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
3/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781645952947
- Pages
- 240
- Publisher
- Holiday House
- Published
- 2025
- Type
- Fiction