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The Forgotten Planet

Doug Wilhelm

Cover of The Forgotten Planet

The Forgotten Planet

Age Rating, Reading Level & Content Guide

Choose Your Own Adventure #133

by Doug Wilhelm

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

The cold hum of the spaceship fills your ears as you float near the mysterious planet Minos. The air tastes faintly metallic, and shadows dance across the control panel. Suddenly, you realize a space probe has vanished—what secrets does this forgotten planet hold?

Quick Assessment

This middle-grade science fiction book invites readers to make choices that shape the story, centered around the mystery of a missing space probe near the planet Minos. Suitable for ages 9 to 12, it encourages critical thinking and imagination without any intense or mature content. The interactive format offers an engaging way to explore storytelling and decision-making.

Why we rated The Forgotten Planet 9C

The Forgotten Planet is written at a Level 4-5 reading level across 113 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The Forgotten Planet works for readers up to grade 6.5.

We rate The Forgotten Planet 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, The Forgotten Planet explores adventure, science & nature, and mystery — 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.
  • Kids drawn to stories about adventure, science & nature, mystery.

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.

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

3/10

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
3
World Scope
1
Data Confidence
7

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Details

Book Length

113 pages
ISBN
9780553293036
Pages
113
Publisher
Skylark
Published
1993
Type
Fiction

Genres

Subjects

Plot-your-own StoriesTrama Tus Propios CuentosSpace Flight