Bullfrog
Susan Heinrichs Gray
Bullfrog
Age Rating, Reading Level & Content Guide
by Susan Heinrichs Gray
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.
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About This Book
Discover the fascinating world of bullfrogs, giant frogs with big appetites that can eat everything from birds to other frogs. Follow their journey from native North American habitats to becoming a widespread invader that threatens local wildlife. Learn about the challenges they pose and the efforts underway to control their expansion.
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.
For Parents
Content Intensity
Level 1 — GentleNo 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
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Details
Book Length
- ISBN
- 9781602793279
- Pages
- 32
- Publisher
- Cherry Lake Publishing
- Published
- 2009
- Type
- Nonfiction
- Word Count
- 2,733
- Read-Aloud
- ~18 min
- Text Density
- Light Text