Crisis on Multiple Earths
Gardner F. Fox
Crisis on Multiple Earths
Age Rating, Reading Level & Content Guide
The Team-Ups, Vol. 2
by Gardner F. Fox
Illustrated by Gil Kane
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 — PhysicalLight conflict or tension. Mild peril resolved quickly.
Content Flags
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
2/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781401212285
- Pages
- 200
- Publisher
- DC Comics
- Published
- March 7, 2007
- Type
- Fiction