Planet Poo
Marie Seltenrych
Planet Poo
Age Rating, Reading Level & Content Guide
Kid's Call
by Marie Seltenrych
The text is written at a 2nd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.
We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.
About This Book
Did you know an alien made of mud can save the day? When two kids and their dog land on a super stinky planet, they meet Brush Poo, who has a super cool secret to fix their spaceship. But the adventure doesn’t end there—Earth has a new mission waiting at home!
Quick Assessment
This playful early reader follows two children and their dog as they encounter a mud alien named Brush Poo on a smelly planet during a space pizza delivery. Brush Poo helps them solve a spaceship problem using an eco-friendly invention, combining fun with simple physics concepts. Suitable for ages 5-8, this book offers light-hearted humor centered on potty topics, making it an engaging bedtime read.
Why we rated Planet Poo 7LT
Planet Poo is written at a Level 2 reading level across 31 pages. Strong independent readers around grade 3.0 can typically handle this book on their own; with parent or teacher support, Planet Poo works for readers up to grade 4.0.
We rate Planet Poo as 7LT ("Light — Thematic") 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, Planet Poo explores children's fiction, physics, adventure, and humor — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
- ✓ Kids drawn to stories about children's fiction, physics, adventure.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
7LT — Light — ThematicNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" 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
Similar Books
Based on content and theme analysis
Monster Planet
Sally Odgers
Monster Planet
Sally Odgers
Dinosaur That Pooped a Planet!
Tom Fletcher
Dinosaur That Pooped a Planet!
Tom Fletcher
Planet of the Nose Pickers
Gordon Korman
Planet of the Nose Pickers
Gordon Korman
Planet Pee Wee
Judy Delton
Planet Pee Wee
Judy Delton
The Planet of the Bubble Gob
Jean-Marc Dobel
The Planet of the Bubble Gob
Jean-Marc Dobel
Planet Pee Wee #34
Judy Delton
Planet Pee Wee #34
Judy Delton
Details
Book Length
- ISBN
- 9781921943270
- Pages
- 31
- Publisher
- Independently Published
- Published
- 2016
- Type
- Fiction