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Book of Planet Earth

Gillian Doherty

Cover of Book of Planet Earth

Book of Planet Earth

Age Rating, Reading Level & Content Guide

by Gillian Doherty

Reading Level 4-5 9C 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 gentle with no concerning themes.

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About This Book

Have you ever wondered what makes our planet so amazing? From fiery volcanoes to swirling storms, Earth is full of secrets waiting to be uncovered. What mysteries will you discover about the world beneath your feet?

Themes

Science & NatureEarth SciencesEducational

Quick Assessment

This book provides a thorough introduction to physical geography for children aged 9 to 12, covering topics like climate, volcanoes, erosion, weather, ecosystems, and human impact. It is designed to engage middle-grade readers with accessible language and clear explanations. Parents can expect a nonfiction approach that supports curiosity about Earth sciences without intense content.

Why we rated Book of Planet Earth 9C

Book of Planet Earth is written at a Level 4-5 reading level across 160 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Book of Planet Earth works for readers up to grade 6.5.

We rate Book of Planet Earth as 9C ("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, Book of Planet Earth explores science & nature, earth sciences, and educational — 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.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about science & nature, earth sciences, educational.
  • 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.
  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9C — Clear
Emotional
Clear
Physical
Clear
Social
Clear
Thematic
Clear

No conflict beyond everyday childhood experiences. Safe for sensitive readers.

Data confidence: standard

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

Reading Insights

Hook Factor

1/10

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
2
Theme Richness
3
World Scope
1
Data Confidence
7

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Details

Book Length

160 pages
ISBN
9781474902960
Pages
160
Publisher
Usborne Publishing, Limited
Published
2015
Type
Nonfiction

Genres

Subjects

Earth Sciences