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Sputnik's Guide to Life on Earth

Frank Cottrell Boyce

Cover of Sputnik's Guide to Life on Earth

Sputnik's Guide to Life on Earth

Age Rating, Reading Level & Content Guide

by Frank Cottrell Boyce

Reading Level 4-5 9LE 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

Have you ever met someone who looks like a dog to everyone else but can hear your thoughts? Prez is just trying to settle into his new home when Sputnik shows up—an alien with powers that bend space and time. Together, they must create a list of ten reasons to save Earth, but can they finish before it's too late?

Themes

Quick Assessment

This middle-grade fiction follows Prez, a boy adjusting to life with a foster family, who meets Sputnik—an alien with extraordinary abilities. The story explores themes of friendship, belonging, and environmental appreciation as the pair work to save Earth by listing its most valuable qualities. Suitable for ages 9-12, it handles family change and mild peril in a heartwarming and humorous way.

Why we rated Sputnik's Guide to Life on Earth 9LE

Sputnik's Guide to Life on Earth is written at a Level 4-5 reading level across 184 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Sputnik's Guide to Life on Earth works for readers up to grade 6.5.

We rate Sputnik's Guide to Life on Earth as 9LE ("Light — Emotional") 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.

Specific content flags noted by reviewers: Divorce & Family Change, Mild Peril.

Thematically, Sputnik's Guide to Life on Earth explores friendship, family, adventure, science & nature, and extraterrestrial beings — 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 friendship, family, adventure.

Maybe not for

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

For Parents

Content Intensity

9LE — Light — Emotional
Emotional
Light
Physical
Light
Social
Clear
Thematic
Clear

Light conflict or tension. Mild peril resolved quickly.

Content Flags

Divorce & Family Change Mild Peril
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

3/10

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

184 pages
ISBN
9780062643643
Pages
184
Publisher
HarperCollins
Published
2017
Type
Fiction

Genres

Subjects

Extraterrestrial BeingsFriendship