Dark Day in the Deep Sea

Mary Pope Osborne

Cover of Dark Day in the Deep Sea

Dark Day in the Deep Sea

Age Rating, Reading Level & Content Guide

by Mary Pope Osborne

Magic Tree House; Stepping Stone; Magic Tree House: Merlin Missions

Reading Level 3-4 Gentle (Lvl 1) Ages 5-8 Balanced Read

The text is written at a 3rd 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

Jack and Annie travel back in time to sail on the famous H.M.S. Challenger, where they dive into exciting ocean adventures and uncover the truth behind a legendary sea monster. Along the way, they discover fascinating sea creatures and learn the importance of kindness to all living things. Their journey beneath the waves is full of wonder and surprises!

Themes

AdventureScience & NatureTime TravelCompassionHistorical

Quick Assessment

This is a Level 3-4 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 5-8.

For Parents

Content Intensity

Level 1 — Gentle
Gentle Mild Moderate Intense Very Intense

No conflict beyond everyday childhood experiences. Safe for sensitive readers.

Data confidence: high

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

Reading Insights

Hook Factor

6/10

Engaging read with solid pacing and interesting themes.

Discussion Potential

1/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
3
Emotional Weight
2
Narrative Pace
7
Theme Richness
5
World Scope
5
Data Confidence
8
Explore all 2 books in the Magic Tree House; Stepping Stone; Magic Tree House: Merlin Missions series

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Details

Book Length

106 pages
11,676 words
1h 18m read-aloud
ISBN
9780375837319
Pages
106
Publisher
Random House Books for Young Readers
Published
2008
Type
Fiction
Word Count
11,676
Lexile
520L
Read-Aloud
~1h 18m
Text Density
Light Text

Genres

Juvenile Fiction

Subjects

ChallengerOceanographyCompassionTime TravelMagicTree HousesBrothers and SistersCompassion in FictionHistorical FictionMagic in FictionBrothers and Sisters in FictionTime Travel in FictionOceanography in FictionTree Houses in FictionAction & AdventureMarine LifeShipsReaderAnimalsChapter BooksSiblingsKinderbuch Ab 8 JahrenMädchenJungeSchwesterBruderGeschwisterBaumhausVerstecktVerborgenZeitreiseAbenteuer19. JahrhundertForschungsschiffMeerOzeanTiefseeWissenschaftlerForschungErforschenUnbekannte LebewesenSturmUngeheuerAngriff

Places

Tiefsee