Reviewed by HootRated editorial · Last updated
Emerald Ash Borer (Animal Invaders)
Susan Heinrichs Gray
Emerald Ash Borer (Animal Invaders)
Age Rating, Reading Level & Content Guide
21st Century Skills Library: Animal Invaders
The text is written at a 5th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes. Its HootRating code, C, means gentle content.
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About This Book
Discover the story of the emerald ash borer, a small but mighty insect whose bright green color hides its destructive hunger for ash trees. Journey through its accidental arrival from Asia to North America and explore how people are racing to protect forests from its damage.
Themes
Quick Assessment
This is a Level 5-6 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 9-12.
Why we rated Emerald Ash Borer (Animal Invaders) C (Gentle)
Emerald Ash Borer (Animal Invaders) is written at a Level 5-6 reading level across 32 pages (approximately 2,809 words). Reading-wise, most kids in grade 6 and up can manage Emerald Ash Borer (Animal Invaders) on their own; younger readers can enjoy it with a parent or teacher reading along.
Read aloud, Emerald Ash Borer (Animal Invaders) takes about 19 minutes, which fits within a single read-aloud session.
We rate Emerald Ash Borer (Animal Invaders) as C (Gentle) 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, Emerald Ash Borer (Animal Invaders) explores animals - general, science & nature, and environmental awareness — 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.
- ✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
- ✓ Kids drawn to stories about animals - general, science & nature, environmental awareness.
- ✓ Readers who fall hard for one book and want a long series to live in — there are 6 more books in the 21st Century Skills Library: Animal Invaders series.
- ✓ Curious kids who prefer real-world topics over made-up stories.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
C · GentleReading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate
No conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
7/10High engagement — fast-paced, fun, and hard to put down. Great for reluctant readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
More in the 21st Century Skills Library: Animal Invaders Series
Starling (Animal Invaders)
Susan Heinrichs Gray
Starling (Animal Invaders)
Susan Heinrichs Gray
Giant African snail
Susan Heinrichs Gray
Giant African snail
Susan Heinrichs Gray
Walking catfish
Susan Heinrichs Gray
Walking catfish
Susan Heinrichs Gray
Bullfrog
Susan Heinrichs Gray
Bullfrog
Susan Heinrichs Gray
Wild boar
Barbara A. Somervill
Wild boar
Barbara A. Somervill
Termite
Susan Heinrichs Gray
Termite
Susan Heinrichs Gray
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Details
Book Length
- ISBN
- 9781602791121
- Pages
- 32
- Publisher
- Cherry Lake Publishing
- Published
- 2008
- Type
- Nonfiction
- Word Count
- 2,809
- Read-Aloud
- ~19 min
- Text Density
- Light Text