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Forgotten city

Michael Ford

Cover of Forgotten city

Forgotten city

Age Rating, Reading Level & Content Guide

by Michael Ford

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

Kobi races through the crumbling streets, his heart pounding as shadows twist into strange, mutated creatures all around him. His dad has vanished without a trace, and every step closer to the truth pulls Kobi deeper into a dangerous secret. Just when he thinks he’s safe, something moves in the darkness—waiting.

Themes

Mutation (Biology)SurvivalFamilyConspiraciesAdventure

Quick Assessment

This thrilling middle grade novel follows Kobi’s journey in a post-apocalyptic world ravaged by a deadly chemical called Waste. After losing his father, Kobi uncovers a conspiracy that threatens what’s left of humanity. Suitable for ages 9-12, the book contains themes of survival, mutation, and family bonds, with some intense moments of peril and suspense.

Why we rated Forgotten city 11ME

Forgotten city is written at a Level 6 reading level across 262 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Forgotten city works for readers up to grade 8.0.

We rate Forgotten city 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, physical peril, thematic difficulty — these are the dimensions parents should evaluate against their reader's tolerance.

Specific content flags noted by reviewers: Mild peril, Survival challenges.

Thematically, Forgotten city explores mutation (biology), survival, family, conspiracies, and adventure — 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 mutation (biology), survival, family.

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
Moderate
Social
Light
Thematic
Moderate

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

Content Flags

Mild peril Survival challenges
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
7
World Scope
3
Data Confidence
7

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Details

Book Length

262 pages
ISBN
9780062696960
Pages
262
Publisher
HarperCollins
Published
2018
Type
Fiction

Genres

Subjects

MutationFathers and SonsSurvivalConspiracies

Places

Seattle (Wash.)