Dickens & Rumi

book

I Know What You Did Last Wednesday

Age rating, content warnings & parent guide

Anthony Horowitz · 2003

Is I Know What You Did Last Wednesday appropriate for your child? See the reviewed age guidance, content cautions, positive themes, and supporting evidence below.

Explore the age guidance, content cautions, positive qualities, and supporting notes for I Know What You Did Last Wednesday by Anthony Horowitz. This book is content notes include Frightening scenes, Death of a character, Violence; positive qualities include Courage & resilience, Creativity & curiosity.

Book 5 · Diamond BrothersSource checked

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10-second decision

Is this likely to fit your family?

Age guidanceNot listed
Strongest cautionsFrightening scenes 3/5 · Death of a character 2/5 · Violence 2/5
Strongest positivesCourage & resilience 3/5 · Creativity & curiosity 3/5
Series positionBook 5 · Diamond Brothers
Recommendation2.5/5

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 3/5
Recommendation 2.5/5

Editorial rating

How this review was built

Dickens & Rumi editorial
Source checkedPublication method
14Scored categories
14Evidence notes
1Explicit 0/5 checks
Oct 30, 2026Last updated

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

How ratings workReport a rating or series issue
Review depth14 scored categories14 evidence notes
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At a glance

Recommended ageNot listed

Strongest cautions

  • Frightening scenes3/5
  • Death of a character2/5
  • Violence2/5

Strongest positives

  • Courage & resilience3/5
  • Creativity & curiosity3/5
  • Good role models2/5

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 6 · The Greek Who Stole ChristmasStrongest cautions: Violence 2/5 · Death of a character 1/5Open next review →
  1. Book 1 · The Falcon's Malteser
    Frightening scenes2/5Violence2/5Alcohol or drugs1/5Death of a character1/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    Starting point
  2. Book 2 · Public Enemy Number Two
    Death of a character3/5Frightening scenes3/5Violence3/5Strong language2/5Alcohol or drugs1/5Graphic injury1/5Romance1/5
    Gets more intense
  3. Book 3 · South by South East
    Frightening scenes2/5Violence2/5Alcohol or drugs1/5Death of a character1/5Strong language1/5
    Gets gentler
  4. Book 4 · The French Confection
    Death of a character2/5Frightening scenes2/5Violence2/5Products & advertising1/5Strong language1/5
    About the same
  5. Book 5 · I Know What You Did Last Wednesday
    Frightening scenes3/5Death of a character2/5Violence2/5Alcohol or drugs1/5Graphic injury1/5Romance1/5Strong language1/5
    Gets more intense
  6. Book 6 · The Greek Who Stole Christmas
    Violence2/5Death of a character1/5Frightening scenes1/5Religious themes1/5Strong language1/5
    Gets gentler
  7. Book 7 · Where Seagulls Dare
    Violence2/5Alcohol or drugs1/5Frightening scenes1/5Romance1/5Strong language1/5
    About the same

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What’s in it?

Death of a character2/5
Why this rating?

The plot centers on a murder, but it is handled in a comedic and non-gory fashion.

Graphic injury1/5
Why this rating?

Brief mentions of death, but no detailed description of blood or bodily injury.

Strong language1/5
Why this rating?

Very mild language consistent with books for younger readers.

Frightening scenes3/5
Why this rating?

Tense moments typical of a mystery novel; characters are sometimes in danger.

Alcohol or drugs1/5
Why this rating?

Minimal or occasional background references, not glamorized.

Violence2/5
Why this rating?

Includes comic peril, threatening situations, and non-graphic depictions of physical struggles.

Checked and not flagged

No concern recorded in these categories

These categories were explicitly scored 0/5 in the published review. This is not a guarantee that every edition or reader experience is identical.

Romance · 0/5

What’s good in it?

Courage & resilience3/5
Why this rating?

Characters face danger and uncertainty while trying to solve the mystery.

Creativity & curiosity3/5
Why this rating?

The plot is inventive and encourages readers to engage with the puzzle.

Diverse representation1/5
Why this rating?

The story appears to center on conventional British detective-fiction character types, with little evidence of broad identity or background representation.

Educational value1/5
Why this rating?

Encourages critical thinking and deductive reasoning.

Kindness & empathy2/5
Why this rating?

The relationship between the brothers is a positive display of mutual support.

Positive messages2/5
Why this rating?

Emphasis on logic, problem-solving, and the importance of integrity.

Good role models2/5
Why this rating?

The characters exhibit persistence and cleverness, despite their comedic flaws.

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 I Know What You Did Last Wednesday would you have made differently, and why?
  4. Who changed the most in I Know What You Did Last Wednesday, and what caused that change?
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Community perspective — separate from editorial ratings

What families noticed

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Community ratings and written reactions are a separate layer. They do not automatically change Dickens & Rumi’s official age guidance or content scores.

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