What reading level is Mary is missing?

Mary is missing by Jamie Suzanne is at a Level 3-4 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Mary is missing appropriate for?

Mary is missing is recommended for Ages 9-12. HootRating: 8LP (Light — Physical). Content flags: Mild Peril.

What genre is Mary is missing?

Mary is missing is fiction — Juvenile Fiction. Part of the Sweet Valley Twins series.

Does Mary is missing have any content warnings?

Mary is missing has a HootRating of 8LP (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 Mary is missing?

Mary is missing by Jamie Suzanne is 131 pages (approximately 20,782 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Mary is missing

Jamie Suzanne

Mary is missing

Age Rating, Reading Level & Content Guide

by Jamie Suzanne

Sweet Valley Twins

Reading Level 3-4 8LP Ages 9-12 Matched Page-Turner

The text is written at a 3rd grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.

Buy on Amazon Listen on Audible

We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.

About This Book

When Mary disappears without a trace, her friends set out on a determined quest to uncover the mystery and bring her back. Along the way, they learn the importance of teamwork, trust, and never giving up. Adventure and friendship shine through as they face challenges to solve the puzzling disappearance.

Themes

Friendship Mystery Adventure Coming of Age

Quick Assessment

This is a Level 3-4 book with mild content intensity. Content themes include mild peril. Written for readers ages 9-12.

Why we rated Mary is missing 8LP

Mary is missing is written at a Level 3-4 reading level across 131 pages (approximately 20,782 words). Strong independent readers around grade 4.9 can typically handle this book on their own; with parent or teacher support, Mary is missing works for readers up to grade 5.9.

Read aloud, Mary is missing runs about 2.3 hours — long enough to span several bedtime sessions.

We rate Mary is missing as 8LP ("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, Mary is missing explores friendship, mystery, 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.
✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
✓ Kids drawn to stories about friendship, mystery, adventure.
✓ Readers who fall hard for one book and want a long series to live in — there are 3 more books in the Sweet Valley Twins series.