Reviewed by HootRated editorial · Last updated September 10, 2026

This Is Not My Hat

Name: This Is Not My Hat
ISBN: 9780763655990

Age Rating, Reading Level & Content Guide

Hat Trilogy

Reading Level 1-2 C · Gentle Ages 5-8 Matched

Caldecott Medal

The text is written at a 1st 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

A little fish sneaks away with a shiny blue hat, trying to stay quiet so the rightful owner doesn’t catch him. But as he swims away, he soon discovers that taking something that’s not yours can lead to unexpected consequences.

Themes

Friendship Humor Adventure

Quick Assessment

This is a Level 1-2 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 5-8.

Why we rated This Is Not My Hat C (Gentle)

This Is Not My Hat is written at a Level 1-2 reading level (approximately 205 words). Reading-wise, most kids in grade 3 and up can manage This Is Not My Hat on their own; younger readers can enjoy it with a parent or teacher reading along.

Read aloud, This Is Not My Hat takes about 1 minutes, which fits within a single read-aloud session.

We rate This Is Not My Hat 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, This Is Not My Hat explores friendship, humor, and adventure — 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.
✓ Readers who like a steady plot with enough momentum to keep pages turning.
✓ Kids drawn to stories about friendship, humor, adventure.
✓ Readers (and parents) who care about award-recognized writing — This Is Not My Hat carries an award.
✓ Readers who fall hard for one book and want a long series to live in — there are 2 more books in the Hat Trilogy series.

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?