Ninja Warriors

Jody Jensen Shaffer

Cover of Ninja Warriors

Ninja Warriors

Age Rating, Reading Level & Content Guide

by Jody Jensen Shaffer

Ancient Warriors

Reading Level 4-5 Mild (Lvl 2) Ages 9-12 Balanced Read Page-Turner

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

Discover the thrilling world of ninja warriors, exploring their secret training, special weapons, and the legendary battles they fought. Journey through history to learn what made these stealthy fighters so remarkable and how they mastered the art of ninjutsu.

Themes

Martial ArtsAdventureHistorical

Quick Assessment

This is a Level 4-5 book with mild content intensity. Content themes include mild peril, fantasy violence. Written for readers ages 9-12.

For Parents

Content Intensity

Level 2 — Mild
Gentle Mild Moderate Intense Very Intense

Light conflict or tension. Mild peril resolved quickly.

Content Flags

Mild Peril Fantasy Violence
Data confidence: standard

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

Reading Insights

Hook Factor

9/10

High engagement — fast-paced, fun, and hard to put down. Great for reluctant readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Narrative Pace
9
Theme Richness
5
World Scope
1
Data Confidence
8
Explore all 6 books in the Ancient Warriors series

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Details

Book Length

32 pages
2,336 words
16m read-aloud
ISBN
9781631437571
Pages
32
Publisher
Child's World
Published
2015
Type
Nonfiction
Word Count
2,336
Read-Aloud
~16 min
Text Density
Light Text

Genres

Martial arts

Subjects

Martial Arts