Great Whales

National Geographic Book Service

Cover of Great Whales

Great Whales

Age Rating, Reading Level & Content Guide

by National Geographic Book Service

Reading Level 4-5 Gentle (Lvl 1) 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

Did you know killer whales are born underwater in the wild, hidden from prying eyes? These amazing creatures travel thousands of miles, talk to each other in secret languages, and even help scientists learn incredible things — but that's only the beginning.

Themes

Quick Assessment

Great Whales introduces children ages 9-12 to the fascinating world of killer whales, covering their birth, anatomy, communication, migration, and their role in scientific research. This nonfiction book provides informative content suitable for middle-grade readers with clear explanations and engaging facts. There is no graphic content, making it an excellent choice for young readers interested in marine life.

For Parents

Content Intensity

Level 1 — Gentle
Gentle Mild Moderate Intense Very Intense

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

2/10

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

ISBN
9780866520423
Publisher
Knowledge Unlimited
Published
June 1981
Type
Fiction

Genres

Subjects

Whales