Smashie McPerter and the mystery of the missing goop

Name: Smashie McPerter and the mystery of the missing goop
Author: N. Griffin
ISBN: 9780763685355

Age Rating, Reading Level & Content Guide

by N. Griffin

Illustrated by Kate Hindley

Reading Level 3-4 C · Gentle Ages 5-8 Balanced Read

The text is written at a 3rd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes. Its HootRating code, C, means gentle content.

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About This Book

The sticky, sweet smell of Herr Goop fills the air as Smashie and Dontel scramble to solve the mystery. The goop isn’t just any gel—it shapes hair into musical notes and roller skates! But when the jars disappear, the whole talent show feels like it might fall apart, and Smashie’s heart races with a mix of excitement and worry.

Themes

Friendship MysteryElementary SchoolsTalent Shows

Quick Assessment

This lighthearted mystery follows third-grader Smashie McPerter and her friend Dontel as they work together to find the missing hair gel essential for their class talent show. Suitable for early readers ages 5-8, the story emphasizes problem-solving, friendship, and teamwork while incorporating fun elements like secret codes and school performances. The book contains no concerning content and offers an engaging way to build reading skills.

Why we rated Smashie McPerter and the mystery of the missing goop C (Gentle)

Smashie McPerter and the mystery of the missing goop is written at a Level 3-4 reading level across 297 pages. Reading-wise, most kids in grade 5 and up can manage Smashie McPerter and the mystery of the missing goop on their own; younger readers can enjoy it with a parent or teacher reading along.

We rate Smashie McPerter and the mystery of the missing goop as C (Gentle) 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, Smashie McPerter and the mystery of the missing goop explores friendship, mystery, elementary schools, and talent shows — 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 friendship, mystery, elementary schools.

Maybe not for

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

For Parents

Content Intensity

C · Gentle

Emotional

Gentle

Physical

Gentle

Social

Gentle

Thematic

Gentle

Reading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate

No conflict beyond everyday childhood experiences. Safe for sensitive readers.

Data confidence: high

Was our "Gentle" content intensity rating accurate for this book?