A field guide to the invisible
Wayne Biddle
A field guide to the invisible
Age Rating, Reading Level & Content Guide
by Wayne Biddle
The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.
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About This Book
Have you ever wondered what's all around you that you just can't see? What if the air you breathe holds secrets, invisible forces, and tiny creatures that shape your world in ways you never imagined? Step into a mysterious realm where the unseen becomes the most important thing of all.
Quick Assessment
This middle-grade fiction book blends science, humor, and metaphysics to explore the invisible forces that surround us daily, from microscopic life to unseen energies. It encourages curiosity about the natural world and our place within it, suitable for ages 9-12 with a reading level of grade 4.5. Parents should note the book touches on complex scientific and metaphysical concepts, presented in an accessible and thought-provoking way.
For Parents
Content Intensity
9MT — Moderate — ThematicLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient 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
- 0805050698
- Pages
- 185
- Publisher
- Henry Holt and Company
- Published
- 1998
- Type
- Nonfiction