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Long Fin Silver

Ocean, Davy

Cover of Long Fin Silver

Long Fin Silver

Age Rating, Reading Level & Content Guide

by Ocean, Davy

Illustrated by Blecha, Aaron, illustrator

Reading Level 4-5 9LP 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.

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About This Book

Harry Hammer dives into the swirling waters of Treasure Reef, heart pounding as the shadows of ancient sunken ships loom all around. With cousin Harvey by his side, he spots a glimmer—a clue to Long Fin Silver’s lost Black Blood Pearl. But suddenly, something moves just beneath the waves... and it’s not alone!

Themes

AdventureMarine animalsPiratesFriendshipJuvenile fiction

Quick Assessment

This middle-grade adventure follows Harry Hammer and his cousin as they search for the legendary lost treasure of pirate Long Fin Silver at Treasure Reef. The story blends marine life themes with pirate lore, offering an engaging and age-appropriate mix of suspense and humor for readers ages 9 to 12. Parents should note the presence of mild peril and spooky moments related to the pirate’s ghostly legend.

Why we rated Long Fin Silver 9LP

Long Fin Silver is written at a Level 4-5 reading level across 125 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Long Fin Silver works for readers up to grade 6.5.

We rate Long Fin Silver 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.

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

Thematically, Long Fin Silver explores adventure, marine animals, pirates, friendship, and juvenile fiction — 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.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about adventure, marine animals, pirates.

Maybe not for

  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9LP — Light — Physical
Emotional
Light
Physical
Light
Social
Clear
Thematic
Clear

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

2/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

1/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
5
World Scope
1
Data Confidence
7

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Details

Book Length

125 pages
ISBN
9781481465526
Pages
125
Publisher
Aladdin
Published
2018
Type
Fiction

Genres

Subjects

SharksMarine AnimalsPiratesTreasure TrovesSea StoriesSchoolsGhostsBuried Treasure