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We built this city

Matt London

Cover of We built this city

We built this city

Age Rating, Reading Level & Content Guide

by Matt London

Reading Level 4-5 9LT Ages 9-12 Balanced Read

The text is written at a 4th 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

Rick and Evie are the ultimate inventors, creating a city like no other—until a terrifying weapon threatens to turn their dream into trash. This isn't just any battle; it's a fight for the future of their world. What will they do when everything they’ve built starts to crumble?

Themes

RobotsMarine pollutionBrothers and sistersInventorsAdventure

Quick Assessment

This middle-grade fiction follows siblings Rick and Evie as they use their inventive skills to build a futuristic city, only to face challenges from a dangerous weapon that pollutes and destroys. The story explores themes of creativity, environmental awareness, and sibling teamwork, suitable for readers aged 9-12. Parents should note the presence of mild peril related to pollution and invention conflicts.

Why we rated We built this city 9LT

We built this city is written at a Level 4-5 reading level across 190 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, We built this city works for readers up to grade 6.5.

We rate We built this city as 9LT ("Light — Thematic") 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, We built this city explores robots, marine pollution, brothers and sisters, inventors, 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 robots, marine pollution, brothers and sisters.

Maybe not for

  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9LT — Light — Thematic
Emotional
Light
Physical
Light
Social
Light
Thematic
Light

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

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

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Details

Book Length

190 pages
ISBN
9781595148407
Pages
190
Publisher
Razorbill
Published
2016
Type
Fiction

Genres

Subjects

RobotsMarine PollutionBrothers and SistersInventorsAdventure and Adventurers