The case of the vanishing emerald

Name: The case of the vanishing emerald
Author: Holly Webb
ISBN: 9780544339279

Age Rating, Reading Level & Content Guide

by Holly Webb

Illustrated by Marion Lindsay

Reading Level 4-5 LE · Mild · Emotional Ages 9-12 Balanced Read

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. Its HootRating code, LE, means mild content, mostly emotional.

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About This Book

Maisie races through the crowded theater backstage, heart pounding as the lights dim around her. The priceless emerald necklace has disappeared, and suspicion falls on everyone. Who could have taken it — and why?

Themes

Mystery HistoricalTheaterFriendship Adventure

Quick Assessment

Set in Victorian London, this middle-grade mystery follows young detective Maisie Hitchins as she unravels the theft of a valuable necklace linked to a theater actress. The story offers an engaging introduction to historical settings and detective work, suitable for readers aged 9 to 12. It contains mild suspense but no intense content, making it appropriate for this age group.

Why we rated The case of the vanishing emerald LE (Mild)

The case of the vanishing emerald is written at a Level 4-5 reading level across 168 pages. Reading-wise, most kids in grade 6 and up can manage The case of the vanishing emerald on their own; younger readers can enjoy it with a parent or teacher reading along.

We rate The case of the vanishing emerald as LE (Mild, mostly emotional) 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.

No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.

Thematically, The case of the vanishing emerald explores mystery, historical, theater, friendship, and adventure — 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.
✓ Kids drawn to stories about mystery, historical, theater.

Maybe not for

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

For Parents

Content Intensity

LE · Mild · Emotional

Emotional

Mild ←

Physical

Gentle

Social

Gentle

Thematic

Mild

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

Light conflict or tension. Mild peril resolved quickly.

Data confidence: high

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