HootRated mascot HootRated

Henry Hamilton in Outer Space

Marilyn Redmond

Cover of Henry Hamilton in Outer Space

Henry Hamilton in Outer Space

Age Rating, Reading Level & Content Guide

by Marilyn Redmond

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.

We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.

About This Book

Here’s a secret: Henry Hamilton isn’t just any ghost — he’s a Civil War spirit with a Ph.D. in haunting who dreams of floating in outer space. When he sneaks aboard a space shuttle, he tries his best not to scare the crew, but being invisible is harder than it looks. And that’s only the beginning of his out-of-this-world adventure!

Quick Assessment

This middle-grade fiction follows Henry Hamilton, a ghost from the Civil War era who stows away on a space shuttle to explore life beyond Earth. The story combines humor and space facts, making it engaging and educational for ages 9 to 12. Parents should note the light supernatural themes and mild suspense typical for this age group.

Why we rated Henry Hamilton in Outer Space 9LE

Henry Hamilton in Outer Space is written at a Level 4-5 reading level across 194 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Henry Hamilton in Outer Space works for readers up to grade 6.5.

We rate Henry Hamilton in Outer Space 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.

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

Thematically, Henry Hamilton in Outer Space explores adventure, science & nature, fantasy world-building, and humor — 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, fantasy world-building.

Maybe not for

  • ! Readers looking for something heavier — this is a gentle, low-stakes story by design.

For Parents

Content Intensity

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

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
4
Theme Richness
4
World Scope
1
Data Confidence
7

Similar Books

Based on content and theme analysis

See all books like this →

Details

Book Length

194 pages
ISBN
9781565545328
Pages
194
Publisher
Pelican Publishing
Published
2001
Type
Fiction

Genres

Subjects

Space ShuttlesGhosts