What reading level is The Mystery of the Grinning Gargoyle?

The Mystery of the Grinning Gargoyle by Gertrude Chandler Warner is at a Level 5 reading level (Lexile 800L). Recommended for Lower Grades readers (Ages 5-8).

What age is The Mystery of the Grinning Gargoyle appropriate for?

The Mystery of the Grinning Gargoyle is recommended for Ages 5-8. HootRating: 10C (Clear).

What genre is The Mystery of the Grinning Gargoyle?

The Mystery of the Grinning Gargoyle is fiction — Juvenile Fiction. Part of the Boxcar Children series.

Does The Mystery of the Grinning Gargoyle have any content warnings?

The Mystery of the Grinning Gargoyle has a HootRating of 10C (Clear). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is The Mystery of the Grinning Gargoyle?

The Mystery of the Grinning Gargoyle by Gertrude Chandler Warner is 114 pages (approximately 15,489 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

The Mystery of the Grinning Gargoyle

Gertrude Chandler Warner

The Mystery of the Grinning Gargoyle

Age Rating, Reading Level & Content Guide

by Gertrude Chandler Warner

Boxcar Children

Reading Level 5 10C Ages 5-8 Balanced Read Page-Turner

The text is written at a 5th grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.

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About This Book

When the Alden siblings explore the historic Goldwin University, strange sightings of stone gargoyles appearing around the campus spark fear and curiosity. Determined to uncover the truth behind the mysterious events, the children embark on a clever investigation filled with secrets and surprises. Their adventure reveals that sometimes, things aren’t as spooky as they seem.

Themes

Mystery Family Adventure Friendship

Quick Assessment

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

Why we rated The Mystery of the Grinning Gargoyle 10C

The Mystery of the Grinning Gargoyle is written at a Level 5 reading level with a Lexile measure of 800L across 114 pages (approximately 15,489 words). Strong independent readers around grade 6.0 can typically handle this book on their own; with parent or teacher support, The Mystery of the Grinning Gargoyle works for readers up to grade 7.0.

Read aloud, The Mystery of the Grinning Gargoyle runs about 1.7 hours — long enough to span several bedtime sessions.

We rate The Mystery of the Grinning Gargoyle as 10C ("Clear") 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, The Mystery of the Grinning Gargoyle explores mystery, family, adventure, and friendship — 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.
✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
✓ Kids drawn to stories about mystery, family, adventure.
✓ Readers who fall hard for one book and want a long series to live in — there are 150 more books in the Boxcar Children series.

Maybe not for

! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.