Dickens & Rumi

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The Secret of the Sunken Treasure

Laura Lee Hope · 1989

Explore the age guidance, content cautions, positive qualities, and supporting notes for The Secret of the Sunken Treasure by Laura Lee Hope. This book is content notes include Frightening scenes, Strong language, Violence; positive qualities include Courage & resilience, Creativity & curiosity.

Book 12 · The New Bobbsey TwinsSource checked

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10-second decision

Is this likely to fit your family?

Age guidanceNot listed
Strongest cautionsFrightening scenes 2/5 · Strong language 1/5 · Violence 1/5
Strongest positivesCourage & resilience 3/5 · Creativity & curiosity 3/5
Series positionBook 12 · The New Bobbsey Twins
Recommendation3/5

Courage & resilience; strongest caution: frightening scenes.

This is the quick scan. Open the evidence and methodology below for the basis behind each rating.

Quick context

What parents should know

Courage & resilience; strongest caution: frightening scenes.

Readiness snapshotMain watch-out: Frightening scenes 2/5
Recommendation 3/5

Editorial rating

How this review was built

Dickens & Rumi editorial
Source checkedPublication method
10Scored categories
10Evidence notes
0Explicit 0/5 checks
Nov 6, 2026Last updated

Dickens & Rumi describes what is present; families decide what matters to them. Community reactions are kept separate from official content ratings.

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Review depth10 scored categories10 evidence notes
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At a glance

Recommended ageNot listed

Strongest cautions

  • Frightening scenes2/5
  • Strong language1/5
  • Violence1/5

Strongest positives

  • Courage & resilience3/5
  • Creativity & curiosity3/5
  • Good role models3/5

Reading order

Series progression

All known volumes are shown. Reviewed books include age guidance and cautions; books still being reviewed are clearly marked.

Next volumeBook 13 · The Case of the Crying ClownStrongest cautions: Frightening scenes 2/5 · Products & advertising 1/5Open next review →
  1. Book 1 · The Secret of Jungle Park
    Frightening scenes1/5Strong language1/5
    Starting point
  2. Book 2 · The Case of the Runaway Money
    Frightening scenes1/5Products & advertising1/5
    About the same
  3. Book 3 · The Clue That Flew Away
    Frightening scenes2/5Products & advertising1/5Romance1/5Violence1/5
    Gets more intense
  4. Book 4 · The Secret in the Sand Castle
    Frightening scenes1/5Strong language1/5
    Gets gentler
  5. Book 5 · The case of the close encounter
    Frightening scenes2/5Violence1/5
    About the same
  6. Book 6 · Mystery on the Mississippi
    Frightening scenes2/5Violence2/5Strong language1/5
    Gets more intense
  7. Book 7 · Trouble in Toyland
    Frightening scenes1/5Products & advertising1/5Violence1/5
    Gets gentler
  8. Book 8 · The Secret of the Stolen Puppies
    Frightening scenes1/5Products & advertising1/5Strong language1/5
    About the same
  9. Book 9 · The Clue in the Classroom
    Frightening scenes1/5Products & advertising1/5Strong language1/5Violence1/5
    About the same
  10. Book 10 · The Chocolate-Covered Clue
    Frightening scenes1/5Violence1/5
    Gets gentler
  11. Book 11 · The Case of the Crooked Contest
    Frightening scenes1/5Products & advertising1/5Strong language1/5Violence1/5
    Gets more intense
  12. Book 12 · The Secret of the Sunken Treasure
    Frightening scenes2/5Strong language1/5Violence1/5
    About the same
  13. Book 13 · The Case of the Crying Clown
    Frightening scenes2/5Products & advertising1/5Strong language1/5Violence1/5
    About the same
  14. Book 14 · The Mystery of the Missing Mummy
    Frightening scenes2/5Graphic injury1/5
    Gets gentler
  15. Book 15 · The Secret of the Stolen Clue
    Frightening scenes1/5
    Gets gentler
  16. Book 17 · The Case of the Creepy Castle
    Frightening scenes2/5
    About the same
  17. Book 18 · The Secret at Sleepaway Camp
    Frightening scenes2/5Strong language1/5Violence1/5
    Gets more intense
  18. Book 19 · The Show-and-Tell Mystery
    Frightening scenes1/5Products & advertising1/5Strong language1/5Violence1/5
    About the same
  19. Book 20 · The Weird Science Mystery
    Frightening scenes1/5Products & advertising1/5Violence1/5
    About the same
  20. Book 21 · The Great Skate Mystery
    Frightening scenes1/5Violence1/5
    About the same
  21. Book 22 · The Super-Duper Cookie Caper
    Frightening scenes1/5Products & advertising1/5Strong language1/5
    About the same
  22. Book 23 · The Monster Mouse Mystery
    Frightening scenes1/5
    Gets gentler
  23. Book 24 · The Case of the Goofy Game Show
    Frightening scenes2/5Products & advertising1/5Strong language1/5Violence1/5
    Gets more intense
  24. Book 25 · The Case of the Crazy Collections
    Frightening scenes1/5Violence1/5
    Gets gentler
  25. Book 26 · The Clue at Casper Creek
    Frightening scenes2/5Products & advertising1/5Strong language1/5Violence1/5
    Gets more intense
  26. Book 27 · The Big Pig Puzzle
    Products & advertising1/5
    Gets gentler
  27. Book 28 · The Case of the Vanishing Video
    Frightening scenes2/5Products & advertising1/5Strong language1/5Violence1/5
    Gets more intense
  28. Book 29 · The Case of the Tricky Trickster
    Frightening scenes1/5
    Gets gentler
  29. Book 30 · The Mystery of the Mixed-Up Mail
    Frightening scenes1/5Products & advertising1/5Strong language1/5Violence1/5
    Gets more intense

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What’s in it?

Strong language1/5
Why this rating?

The language is clean and appropriate for children.

Frightening scenes2/5
Why this rating?

Features mild suspense during investigation, but nothing frightening for the target age group.

Violence1/5
Why this rating?

Contains very mild scuffles or threats typical of juvenile mystery novels.

What’s good in it?

Courage & resilience3/5
Why this rating?

Encourages bravery in the face of mystery and solving problems.

Creativity & curiosity3/5
Why this rating?

Promotes imaginative thinking and detective skills.

Diverse representation1/5
Why this rating?

The story appears to center on a fairly traditional cast, with little indication of broad representation across identities or backgrounds.

Educational value2/5
Why this rating?

Introduces basic concepts of investigation and problem-solving.

Kindness & empathy3/5
Why this rating?

Family loyalty, cooperation, and helping others likely support a positive message, though kindness is secondary to the mystery plot.

Positive messages3/5
Why this rating?

Emphasizes the value of honesty, curiosity, and teamwork.

Good role models3/5
Why this rating?

The siblings are generally portrayed as helpful, responsible, and clever.

Family discussion

Talk about it

Conversation starters based on this title’s published content notes.

  1. What did courage look like in this story? Was being brave always the same as being fearless?
  2. Which moment felt most tense or frightening? What helped the characters handle fear?
  3. Which choice in The Secret of the Sunken Treasure would you have made differently, and why?
  4. Who changed the most in The Secret of the Sunken Treasure, and what caused that change?
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Community perspective — separate from editorial ratings

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