Ninjas

Name: Ninjas
Author: Jessica Sarah Gunderson
ISBN: 9781429666008

Age Rating, Reading Level & Content Guide

A Guide to the Ancient Assassins

by Jessica Sarah Gunderson

History's Greatest Warriors (Capstone Press); Velocity

Reading Level 5-6 C · Gentle Ages 9-12 Balanced Read Page-Turner

The text is written at a 5th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes. Its HootRating code, C, means gentle content.

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About This Book

Discover the secret world of ninjas, from their intense training routines to the skills that made them legendary warriors. Explore how they lived, fought, and influenced both history and modern stories. Perfect for young readers curious about adventure and ancient traditions.

Themes

Adventure Historical Science & Nature

Quick Assessment

This is a Level 5-6 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 9-12.

Why we rated Ninjas C (Gentle)

Ninjas is written at a Level 5-6 reading level across 48 pages (approximately 3,957 words). Reading-wise, most kids in grade 6 and up can manage Ninjas on their own; younger readers can enjoy it with a parent or teacher reading along.

Read aloud, Ninjas takes about 26 minutes, which fits within a single read-aloud session.

We rate Ninjas as C (Gentle) 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, Ninjas explores adventure, historical, and science & nature — 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.
✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
✓ Kids drawn to stories about adventure, historical, science & nature.
✓ Readers who fall hard for one book and want a long series to live in — there is one more book in the History's Greatest Warriors (Capstone Press); Velocity series.
✓ Curious kids who prefer real-world topics over made-up stories.

Maybe not for

! Readers looking for something heavier — this is a gentle, low-stakes story by design.

For Parents

Content Intensity

C · Gentle

Emotional

Gentle

Physical

Gentle

Social

Gentle

Thematic

Gentle

Reading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate

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

Data confidence: standard

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