A field guide to the invisible

Wayne Biddle

Cover of A field guide to the invisible

A field guide to the invisible

Age Rating, Reading Level & Content Guide

by Wayne Biddle

Reading Level 4-5 9MT Ages 9-12 Balanced Read

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 — Thematic
Emotional
Clear
Physical
Light
Social
Clear
Thematic
Moderate

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

Was our "Mild" content intensity rating accurate for this book?

Reading Insights

Hook Factor

3/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

1/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
3
World Scope
1
Data Confidence
7

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Details

Book Length

185 pages
ISBN
0805050698
Pages
185
Publisher
Henry Holt and Company
Published
1998
Type
Nonfiction

Genres

Subjects

ScienceMiscellaneaScience, Popular Works