The Adventures of Commander Zack Proton and the Wrong Planet
Brian Anderson
The Adventures of Commander Zack Proton and the Wrong Planet
Age Rating, Reading Level & Content Guide
by Brian Anderson
Illustrated by Doug Holgate
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 your spaceship accidentally dropped sixteen million pigs on a strange planet? Commander Zack Proton and his sidekick, Omega Chimp, have to find Planet Bounceback fast before things get out of control. But what surprises and dangers await them on this wild quest?
Themes
Quick Assessment
This middle-grade science fiction adventure follows Commander Zack Proton and Omega Chimp as they embark on a humorous and action-packed mission to locate Planet Bounceback after an unexpected cargo mishap. Suitable for readers aged 9 to 12, the story blends fantasy elements with lighthearted comedy and superhero themes. Parents should note the book's imaginative scenarios and mild peril typical of adventure stories.
Why we rated The Adventures of Commander Zack Proton and the Wrong Planet 9LP
The Adventures of Commander Zack Proton and the Wrong Planet is written at a Level 4-5 reading level across 112 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The Adventures of Commander Zack Proton and the Wrong Planet works for readers up to grade 6.5.
We rate The Adventures of Commander Zack Proton and the Wrong Planet as 9LP ("Light — Physical") 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, The Adventures of Commander Zack Proton and the Wrong Planet explores adventure, science & nature, fantasy world-building, humor, and science fiction — 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
9LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781416913665
- Pages
- 112
- Publisher
- Simon and Schuster
- Published
- April 24, 2007
- Type
- Fiction