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The Last Kids on Earth and the Cosmic Beyond

Max Brallier, Douglas Holgate

Cover of The Last Kids on Earth and the Cosmic Beyond

The Last Kids on Earth and the Cosmic Beyond

Age Rating, Reading Level & Content Guide

by Max Brallier, Douglas Holgate

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

Snow flies as Jack and his friends launch their sled catapults into a monster-filled winter wonderland. Suddenly, a shadowy figure snatches Jack's most powerful weapon—the Louisville Slicer—and disappears into the night. What dark plan could a human villain have that threatens not just their town, but the whole world?

Themes

AdventureSurvivalHumorFriendshipComics & Graphic Novels

Quick Assessment

This middle-grade book is the fourth installment in a popular series blending text and graphic novel elements to engage readers who enjoy action-packed adventures with humor. Set after a monster apocalypse, the story features themes of friendship, bravery, and survival as the characters face a new human antagonist with a dangerous plan. Suitable for ages 9-12, it contains mild fantasy violence and suspense but is written in a fun, accessible style.

Why we rated The Last Kids on Earth and the Cosmic Beyond 11LP

The Last Kids on Earth and the Cosmic Beyond is written at a Level 6 reading level across 289 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, The Last Kids on Earth and the Cosmic Beyond works for readers up to grade 8.0.

We rate The Last Kids on Earth and the Cosmic Beyond 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.

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

Thematically, The Last Kids on Earth and the Cosmic Beyond explores adventure, survival, humor, friendship, and comics & graphic novels — 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.
  • Kids drawn to stories about adventure, survival, humor.

Maybe not for

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

For Parents

Content Intensity

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

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

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

Reading Insights

Hook Factor

3/10

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
5
World Scope
1
Data Confidence
7

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Details

Book Length

289 pages
ISBN
9780425292082
Pages
289
Publisher
Penguin
Published
2018
Type
Fiction

Genres

Subjects

Action & AdventureSurvival StoriesComics & Graphic NovelsHumorous StoriesSurvivalMonstersFriendship