What reading level is Case of the Empty Crates?

Case of the Empty Crates by Steve Brezenoff is at a Level 4-5 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Case of the Empty Crates appropriate for?

Case of the Empty Crates is recommended for Ages 9-12. HootRating: 9LP (Light — Physical). Content flags: Mild Peril.

What genre is Case of the Empty Crates?

Case of the Empty Crates is fiction — Juvenile Fiction. Part of the Museum Mysteries series.

Does Case of the Empty Crates have any content warnings?

Case of the Empty Crates has a HootRating of 9LP (Light — Physical). Content flags include: Mild Peril. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Case of the Empty Crates?

Case of the Empty Crates by Steve Brezenoff is 128 pages (approximately 8,592 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Case of the Empty Crates

Steve Brezenoff

Case of the Empty Crates

Age Rating, Reading Level & Content Guide

by Steve Brezenoff

Museum Mysteries

Reading Level 4-5 9LP Ages 9-12 Balanced Read Page-Turner

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

When the new wing of the Capitol City Air and Space Museum is set to open with historic telescopes, Amal Farah notices the crates are mysteriously empty. Determined to uncover the truth, she and her friends embark on a thrilling adventure to solve the puzzling disappearance. Together, they explore secrets that could change the museum forever.

Themes

Mystery Friendship Adventure Science & Nature

Quick Assessment

This is a Level 4-5 book with mild content intensity. Content themes include mild peril. Written for readers ages 9-12.

Why we rated Case of the Empty Crates 9LP

Case of the Empty Crates is written at a Level 4-5 reading level across 128 pages (approximately 8,592 words). Strong independent readers around grade 5.1 can typically handle this book on their own; with parent or teacher support, Case of the Empty Crates works for readers up to grade 6.1.

Read aloud, Case of the Empty Crates takes about 57 minutes, which fits within a single read-aloud session.

We rate Case of the Empty Crates 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.

Specific content flags noted by reviewers: Mild Peril.

Thematically, Case of the Empty Crates explores mystery, friendship, adventure, and science & nature — 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.
✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
✓ Kids drawn to stories about mystery, friendship, adventure.