Ultramarine

Jenny Nimmo

Cover of Ultramarine

Ultramarine

Age Rating, Reading Level & Content Guide

by Jenny Nimmo

Reading Level 4-5 Mild (Lvl 2) 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

What if a mysterious man suddenly appeared from the sea, changing everything you thought you knew about your family? Imagine discovering secrets from the past while racing against time to save birds trapped by a dangerous oil spill. Can two siblings unlock the truth and protect the ocean before it's too late?

Themes

Brothers and sistersIdentitySea storiesEnvironmental protectionParent and child

Quick Assessment

This middle-grade fiction follows a brother and sister who uncover family secrets after a mysterious man emerges from the sea. Together, they work to rescue birds endangered by an environmental disaster, introducing themes of family, identity, and environmental protection. Suitable for ages 9-12, this story balances adventure with thoughtful messages about nature and relationships.

For Parents

Content Intensity

Level 2 — Mild
Gentle Mild Moderate Intense Very Intense

Light conflict or tension. Mild peril resolved quickly.

Content Flags

Mild Peril Environmental Threat
Data confidence: standard

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

Reading Insights

Hook Factor

1/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
7
World Scope
1
Data Confidence
7

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Details

Book Length

199 pages
ISBN
0525448691
Pages
199
Publisher
Dutton Childrens Books
Published
1992
Type
Fiction

Genres

Subjects

Brothers and SistersIdentitySea StoriesEnvironmental ProtectionParent and ChildFantasySeaFantasy FictionGirlsLarge Type Books