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The case of the missing marquess

Nancy Springer

Cover of The case of the missing marquess

The case of the missing marquess

Age Rating, Reading Level & Content Guide

The Case of the Missing Marquess

by Nancy Springer

Reading Level 6 11LE Ages 9-12 Balanced Read

The text is written at a 6th 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

Enola Holmes darts through the bustling streets of London, her heart pounding as she slips past curious eyes in disguise. She's on a secret mission to find her missing mother, but every step closer uncovers new mysteries. Suddenly, a shadowy figure blocks her path—what will she do next?

Quick Assessment

This middle-grade mystery follows Enola Holmes, the clever younger sister of Sherlock Holmes, as she embarks on a daring journey to find her missing mother. The story features themes of independence, problem-solving, and family bonds, suitable for readers aged 9 to 12. Mild suspense and moments of peril are present but handled appropriately for this age group.

Why we rated The case of the missing marquess 11LE

The case of the missing marquess is written at a Level 6 reading level across 216 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, The case of the missing marquess works for readers up to grade 8.0.

We rate The case of the missing marquess as 11LE ("Light — 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 missing marquess explores mystery, family, adventure, and coming of age — 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, family, adventure.

Maybe not for

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

For Parents

Content Intensity

11LE — Light — Emotional
Emotional
Light
Physical
Light
Social
Clear
Thematic
Light

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

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

Reading Insights

Hook Factor

3/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

3/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
5
Emotional Weight
4
Theme Richness
4
World Scope
10
Data Confidence
7

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Details

Book Length

216 pages
ISBN
9780439929370
Pages
216
Publisher
Scholastic
Published
2007
Type
Fiction

Genres

Subjects

Enola HolmesMissing PersonsMothersCharacters in LiteratureMystery and Detective StoriesMysteryDetective and Mystery StoriesLondonMissing Persons in FictionMothers in FictionSherlock HolmesMystery FictionCharacters and Characteristics in LiteratureHistorical FictionPolicierRomans Pour La JeunesseMèresRomans, Nouvelles, Etc. Pour La JeunessePersonnes DisparuesHistoire

People

enola holmessherlock holmes

Places

London (England)Great BritainLondres (Angleterre)Grande-Bretagne