HootRated mascot HootRated

Planet Blood Volume 4 (Planet Blood)

Tae-hyung Kim

Cover of Planet Blood Volume 4 (Planet Blood)

Planet Blood Volume 4 (Planet Blood)

Age Rating, Reading Level & Content Guide

by Tae-hyung Kim

Reading Level 4-5 9ME Ages 9-12 Matched

The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content has moderate intensity with some emotionally heavy themes.

We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.

About This Book

Sinan races through the alien jungle, heart pounding, when suddenly a shadow looms overhead. Mayi is nowhere to be found, and danger feels closer than ever. Just as a strange sound cuts through the air, everything changes—what will happen next?

Quick Assessment

This graphic novel combines fantasy and science fiction in a story about friendship, survival, and complex relationships. Suitable for middle-grade readers, it includes themes of loss and emotional tension, as well as mild peril. Parents should note that the story involves some mature emotional content and romantic elements, making it best for ages 9-12 with some guidance.

Why we rated Planet Blood Volume 4 (Planet Blood) 9ME

Planet Blood Volume 4 (Planet Blood) is written at a Level 4-5 reading level across 192 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Planet Blood Volume 4 (Planet Blood) works for readers up to grade 6.5.

We rate Planet Blood Volume 4 (Planet Blood) as 9ME ("Moderate — Emotional") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from emotional weight, physical peril — these are the dimensions parents should evaluate against their reader's tolerance.

No specific content flags were raised by community reviewers, which is consistent with the moderate intensity score.

Thematically, Planet Blood Volume 4 (Planet Blood) explores adventure, science & nature, friendship, fantasy world-building, and graphic novels-manga — 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 adventure, science & nature, friendship.

Maybe not for

  • ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9ME — Moderate — Emotional
Emotional
Moderate
Physical
Moderate
Social
Light
Thematic
Light

Real stakes and emotional weight. May include sustained danger, loss, or bullying.

Data confidence: standard

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

Reading Insights

Hook Factor

2/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
6
Theme Richness
5
World Scope
1
Data Confidence
7

Similar Books

Based on content and theme analysis

See all books like this →

Details

Book Length

192 pages
ISBN
9781595325402
Pages
192
Publisher
TokyoPop
Published
April 11, 2006
Type
Fiction

Genres

Subjects

Science Fiction And FantasyComics & Graphic NovelsGraphic Novels-MangaGraphic NovelsMangaFantasyAdventure and AdventurersAssassinsScience FictionComics & Graphic Novels, East Asian Style, Manga, FantasyComics & Graphic Novels, East Asian Style, Manga, Science Fiction