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The last girl on Earth

Alexandra Blogier

Cover of The last girl on Earth

The last girl on Earth

Age Rating, Reading Level & Content Guide

by Alexandra Blogier

Reading Level 6 11ME Ages 9-12 Matched

The text is written at a 6th 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.

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About This Book

What if you were the last human alive on Earth, hiding among aliens who look just like us but aren’t really like us at all? Li has to keep a dangerous secret to survive in a world ruled by creatures with strange powers. But when she meets someone new, everything she’s worked for might be at risk—what will she choose?

Quick Assessment

Set in a near-future Earth overtaken by alien beings, this middle-grade sci-fi novel follows Li, the last human alive, who must conceal her identity to survive. Themes of identity, trust, and survival are explored amid alien impersonation and high-stakes tension. Suitable for ages 9-12, it contains moderate suspense and emotional challenges but no graphic content.

Why we rated The last girl on Earth 11ME

The last girl on Earth is written at a Level 6 reading level across 246 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, The last girl on Earth works for readers up to grade 8.0.

We rate The last girl on Earth as 11ME ("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, thematic difficulty — 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, The last girl on Earth explores science & nature, adventure, friendship, coming of age, and fantasy world-building — 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 science & nature, adventure, 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

11ME — Moderate — Emotional
Emotional
Moderate
Physical
Light
Social
Light
Thematic
Moderate

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

3/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

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

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Details

Book Length

246 pages
ISBN
9780399552274
Pages
246
Publisher
Delacorte Press
Published
2018
Type
Fiction

Genres

Subjects

Extraterrestrial BeingsImpersonationScience Fiction