Diary of a 6th Grade Ninja

Name: Diary of a 6th Grade Ninja
Author: Marcus Emerson, Noah Child, Sal Hunter
ISBN: 9781493527489

Age Rating, Reading Level & Content Guide

by Marcus Emerson, Noah Child, Sal Hunter

Reading Level 4-5 LP · Mild · Physical 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. Its HootRating code, LP, means mild content, mostly physical.

Find on Amazon Listen on Audible

We may earn a commission from these links.

About This Book

Chase Cooper is starting sixth grade at a new school, feeling small and out of place—until he's unexpectedly drawn into a secret ninja clan. Juggling school life, family, and ninja missions, Chase writes down his wild adventures to help others avoid the same troubles. Full of humor and action, this diary captures the ups and downs of being a kid with a secret double life.

Themes

Adventure Friendship Family Humor Coming of Age

Quick Assessment

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

Why we rated Diary of a 6th Grade Ninja LP (Mild)

Diary of a 6th Grade Ninja is written at a Level 4-5 reading level across 104 pages (approximately 14,366 words). Reading-wise, most kids in grade 5 and up can manage Diary of a 6th Grade Ninja on their own; younger readers can enjoy it with a parent or teacher reading along.

Read aloud, Diary of a 6th Grade Ninja runs about 1.6 hours — long enough to span several bedtime sessions.

We rate Diary of a 6th Grade Ninja as LP (Mild, mostly physical) because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.

Specific content flags noted by reviewers: Mild Peril, Humor.

Thematically, Diary of a 6th Grade Ninja explores adventure, friendship, family, humor, and coming of age — 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, friendship, family.
✓ Readers who fall hard for one book and want a long series to live in — there is one more book in the Diary of a 6th Grade Ninja series.

Maybe not for

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

For Parents

Content Intensity

LP · Mild · Physical

Emotional

Gentle

Physical

Mild ←

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

Light conflict or tension. Mild peril resolved quickly.