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Crisis on Multiple Earths

Gardner F. Fox

Cover of Crisis on Multiple Earths

Crisis on Multiple Earths

Age Rating, Reading Level & Content Guide

The Team-Ups, Vol. 2

by Gardner F. Fox

Illustrated by Gil Kane

Reading Level 6 11LP Ages 9-12 Balanced Read

The text is written at a 6th 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

What if heroes from different Earths had to team up to save their worlds? Imagine the Justice League and the Justice Society joining forces, but can they overcome their differences before everything falls apart? The fate of multiple Earths hangs in the balance.

Themes

Quick Assessment

This graphic novel brings together iconic superhero teams, the Justice League of America and the Justice Society of America, as they collaborate to defend Earth against a significant threat. Suitable for ages 9-12, it features action-packed science fiction themes and explores teamwork and cooperation. Parents should note the presence of mild comic-style conflict typical of superhero stories.

Why we rated Crisis on Multiple Earths 11LP

Crisis on Multiple Earths is written at a Level 6 reading level across 200 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Crisis on Multiple Earths works for readers up to grade 8.0.

We rate Crisis on Multiple Earths as 11LP ("Light — 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, Fantasy Violence.

Thematically, Crisis on Multiple Earths explores superheroes, science & nature, adventure, friendship, and teamwork — 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 superheroes, science & nature, adventure.

Maybe not for

  • ! Children who are sensitive to violence, even when handled at age-appropriate levels.
  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

11LP — Light — Physical
Emotional
Clear
Physical
Light
Social
Clear
Thematic
Clear

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

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

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Details

Book Length

200 pages
ISBN
9781401212285
Pages
200
Publisher
DC Comics
Published
March 7, 2007
Type
Fiction

Genres

Subjects

Graphic NovelsScience FictionSuperheroesComics & Graphic NovelsFantasy