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Frozen in time

Mark Kurlansky

Cover of Frozen in time

Frozen in time

Age Rating, Reading Level & Content Guide

Clarence Birdseye's Outrageous Idea about Frozen Food

by Mark Kurlansky

Reading Level 4-5 9C 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 gentle with no concerning themes.

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About This Book

Crunch! The cold snap of frozen peas fills the air, crisp and fresh like a winter morning. Imagine discovering a way to keep food this perfect all year round—a chilly adventure that changed the way we eat forever, sparking excitement and hope for the future.

Themes

Science & NatureBusinessInventorsHistory

Quick Assessment

This middle-grade nonfiction adaptation tells the story of Clarence Birdseye, an inventor whose innovations revolutionized the frozen food industry. Suitable for ages 9-12, it offers an engaging look at business and invention with accessible language and inspiring themes. Parents should note it focuses on historical and entrepreneurial content without intense conflict or mature themes.

Why we rated Frozen in time 9C

Frozen in time is written at a Level 4-5 reading level across 185 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Frozen in time works for readers up to grade 6.5.

We rate Frozen in time as 9C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.

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

Thematically, Frozen in time explores science & nature, business, inventors, and history — 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, business, inventors.
  • Curious kids who prefer real-world topics over made-up stories.

Maybe not for

  • ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9C — Clear
Emotional
Clear
Physical
Clear
Social
Clear
Thematic
Clear

No conflict beyond everyday childhood experiences. Safe for sensitive readers.

Data confidence: standard

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

Reading Insights

Hook Factor

1/10

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
2
Theme Richness
4
World Scope
3
Data Confidence
7

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Details

Book Length

185 pages
ISBN
9780375991356
Pages
185
Publisher
Delacorte Books for Young Readers
Published
2014
Type
Nonfiction

Genres

Subjects

Frozen Foods IndustryBusinessmenInventorsBusinesspeopleBiography & AutobiographyScience & TechnologyTechnologyInventionsScience & NatureExperiments & ProjectsBusiness, Biography

People

Clarence Birdseye (1886-1956)

Places

United States