Dickens & Rumi

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The Warning

Katherine Applegate · 1998

Explore the age guidance, content cautions, positive qualities, and supporting notes for The Warning by Katherine Applegate. This book is content notes include Frightening scenes, Violence, Death of a character; positive qualities include Courage & resilience, Creativity & curiosity.

Book 16 · AnimorphsSource checked

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10-second decision

Is this likely to fit your family?

Age guidanceNot listed
Strongest cautionsFrightening scenes 4/5 · Violence 3/5 · Death of a character 2/5
Strongest positivesCourage & resilience 5/5 · Creativity & curiosity 4/5
Series positionBook 16 · Animorphs
Recommendation4.3/5

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 4/5
Recommendation 4.3/5

Editorial rating

How this review was built

Dickens & Rumi editorial
Source checkedPublication method
14Scored categories
14Evidence notes
0Explicit 0/5 checks
Nov 5, 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 scenes4/5
  • Violence3/5
  • Death of a character2/5

Strongest positives

  • Courage & resilience5/5
  • Creativity & curiosity4/5
  • Good role models4/5

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 17 · The UndergroundStrongest cautions: Frightening scenes 3/5 · Violence 3/5Open next review →
  1. Book 1 · The Invasion
    Frightening scenes4/5Death of a character3/5Violence3/5Graphic injury2/5Products & advertising1/5Romance1/5Strong language1/5
    Starting point
  2. Book 2 · The Visitor
    Frightening scenes4/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    Gets gentler
  3. Book 3 · The Encounter
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  4. Book 4 · The Message
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  5. Book 5 · The Predator
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  6. Book 6 · The Capture
    Frightening scenes4/5Violence4/5Death of a character2/5Graphic injury2/5Romance1/5Strong language1/5
    Gets more intense
  7. Book 8 · The Alien
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    Gets gentler
  8. Book 9 · The Secret
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury2/5Romance1/5Strong language1/5
    About the same
  9. Book 10 · The Android
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  10. Book 11 · The Forgotten
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  11. Book 12 · Animorphs - The ReactionAges 14+
    Frightening scenes4/5Violence4/5Death of a character3/5Graphic injury2/5Strong language2/5Romance1/5
    Gets more intense
  12. Book 13 · The Change
    Frightening scenes3/5Violence3/5Death of a character1/5Graphic injury1/5Romance1/5Strong language1/5
    Gets gentler
  13. Book 14 · The Unknown
    Violence4/5Frightening scenes3/5Death of a character2/5Graphic injury2/5Products & advertising1/5Romance1/5Strong language1/5
    Gets more intense
  14. Book 15 · The Escape
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury2/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  15. Book 16 · The Warning
    Frightening scenes4/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  16. Book 17 · The Underground
    Frightening scenes3/5Violence3/5Death of a character1/5Graphic injury1/5Romance1/5Strong language1/5
    Gets gentler
  17. Book 18 · The Decision
    Frightening scenes4/5Violence4/5Death of a character3/5Graphic injury2/5Products & advertising1/5Romance1/5Strong language1/5
    Gets more intense
  18. Book 19 · The Departure
    Frightening scenes4/5Violence4/5Death of a character2/5Graphic injury2/5Romance1/5Strong language1/5
    Gets gentler
  19. Book 20 · The Discovery
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    Gets gentler
  20. Book 21 · The Threat
    Frightening scenes4/5Violence3/5Graphic injury2/5Death of a character1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  21. Book 22 · The Solution
    Frightening scenes4/5Violence4/5Death of a character3/5Graphic injury3/5Products & advertising1/5Romance1/5Strong language1/5
    Gets more intense
  22. Book 23 · The Pretender
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    Gets gentler
  23. Book 24 · The Suspicion
    Frightening scenes3/5Violence3/5Death of a character1/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  24. Book 25 · The Extreme
    Violence4/5Frightening scenes3/5Death of a character2/5Graphic injury2/5Products & advertising1/5Romance1/5Strong language1/5
    Gets more intense
  25. Book 26 · The Attack
    Frightening scenes4/5Violence4/5Death of a character3/5Graphic injury2/5Romance2/5Religious themes1/5Strong language1/5
    Gets more intense
  26. Book 27 · The Exposed
    Frightening scenes3/5Violence3/5Death of a character2/5Graphic injury2/5Romance1/5Strong language1/5
    Gets gentler
  27. Book 28 · The Experiment
    Frightening scenes4/5Violence3/5Death of a character2/5Graphic injury2/5Alcohol or drugs1/5Romance1/5Strong language1/5
    Gets more intense
  28. Book 29 · The Sickness
    Frightening scenes3/5Violence3/5Death of a character2/5Alcohol or drugs1/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    About the same
  29. Book 30 · The Reunion
    Frightening scenes4/5Death of a character3/5Violence3/5Graphic injury2/5Products & advertising1/5Romance1/5Strong language1/5
    Gets more intense
  30. Book 31 · The Conspiracy
    Frightening scenes4/5Death of a character3/5Violence3/5Graphic injury1/5Religious themes1/5Romance1/5Strong language1/5
    About the same
  31. Book 32 · The Separation
    Frightening scenes3/5Violence3/5Graphic injury2/5Death of a character1/5Romance1/5Strong language1/5
    Gets gentler
  32. Book 48 · The ReturnAges 10+
    Frightening scenes4/5Violence4/5Death of a character3/5Graphic injury1/5Products & advertising1/5Romance1/5Strong language1/5
    Gets more intense
  33. Book 54 · The BeginningAges 11+
    Death of a character5/5Frightening scenes4/5Violence4/5Graphic injury2/5Romance2/5Strong language2/5Products & advertising1/5
    Gets more intense

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What’s in it?

Products & advertising1/5
Why this rating?

The book belongs to a heavily marketed series, but the narrative itself is not primarily an advertisement or product-placement vehicle.

Death of a character2/5
Why this rating?

The invasion carries serious mortality stakes and may include references to deaths or loss, but death is not the main focus of this installment.

Graphic injury1/5
Why this rating?

Some animal or alien injury may occur, but graphic blood and bodily damage are not a central feature.

Strong language1/5
Why this rating?

Mild insults or expressions may occur, but strong profanity is not a notable feature.

Romance1/5
Why this rating?

Any crushes or youthful relationship elements are brief and secondary to the science-fiction mission.

Frightening scenes4/5
Why this rating?

The threat of hidden Yeerks, infiltration, discovery, and possible capture creates sustained suspense and frightening danger.

Violence3/5
Why this rating?

Young protagonists face alien invasion, capture risks, fights, and threats. Action is suspenseful and sometimes intense, though not presented as realistic graphic violence.

What’s good in it?

Courage & resilience5/5
Why this rating?

Investigating a possible trap despite the danger of exposing themselves is a central example of principled bravery.

Creativity & curiosity4/5
Why this rating?

Alien transformation, inventive problem-solving, secret communication, and strategic resistance strongly stimulate imaginative thinking.

Diverse representation2/5
Why this rating?

The human cast includes varied personalities and perspectives, though broader human representation is not the main focus.

Educational value2/5
Why this rating?

It offers incidental learning about animals, transformation, strategy, and ethical choices rather than formal instruction.

Kindness & empathy3/5
Why this rating?

Protecting teammates and seeking other resistance members reflect empathy, solidarity, and cooperation.

Positive messages4/5
Why this rating?

The story supports loyalty, cooperation, resistance to oppression, careful investigation, and accepting risks to protect others.

Good role models4/5
Why this rating?

Young characters show initiative, loyalty, courage, and concern for allies, while also facing difficult and sometimes risky choices.

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 Warning would you have made differently, and why?
  4. Who changed the most in The Warning, and what caused that change?
Discuss this title with other parents

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