What reading level is Emerald Ash Borer (Animal Invaders)?

Emerald Ash Borer (Animal Invaders) by Susan Heinrichs Gray is at a Level 5-6 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Emerald Ash Borer (Animal Invaders) appropriate for?

Emerald Ash Borer (Animal Invaders) is recommended for Ages 9-12. HootRating: 10C (Clear).

What genre is Emerald Ash Borer (Animal Invaders)?

Emerald Ash Borer (Animal Invaders) is nonfiction — Juvenile Nonfiction. Part of the 21st Century Skills Library: Animal Invaders series.

Does Emerald Ash Borer (Animal Invaders) have any content warnings?

Emerald Ash Borer (Animal Invaders) has a HootRating of 10C (Clear). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Emerald Ash Borer (Animal Invaders)?

Emerald Ash Borer (Animal Invaders) by Susan Heinrichs Gray is 32 pages (approximately 2,809 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Emerald Ash Borer (Animal Invaders)

Susan Heinrichs Gray

Emerald Ash Borer (Animal Invaders)

Age Rating, Reading Level & Content Guide

by Susan Heinrichs Gray

21st Century Skills Library: Animal Invaders

Reading Level 5-6 10C Ages 9-12 Balanced Read Page-Turner

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.

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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

Animals - GeneralScience & NatureEnvironmental Awareness

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) 10C

Emerald Ash Borer (Animal Invaders) is written at a Level 5-6 reading level across 32 pages (approximately 2,809 words). Strong independent readers around grade 6.4 can typically handle this book on their own; with parent or teacher support, Emerald Ash Borer (Animal Invaders) works for readers up to grade 7.4.

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 10C ("Clear") 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 whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.