Dickens & Rumi
Cover of ONE OF US IS LYING

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ONE OF US IS LYING

Age rating, content warnings & parent guide

Karen M. McManus

Is ONE OF US IS LYING appropriate for your child? See the reviewed age guidance, content cautions, positive themes, and supporting evidence below.

Strange things are afoot at Bayview High School. (Ages 14 to 17)

Ages 14+Book 1 · ONE OF US IS LYINGSource checked

Why this age? The novel includes a fatal suicide plan, murder investigation, attempted strangulation and assault, drug addiction, bullying, homophobia, infidelity, and emotionally intense family conflict. Its YA prose and themes suit mature teens. This is guidance, not a safety guarantee; reading level and family context may differ.

Where to get it

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10-second decision

Is this likely to fit your family?

Age guidanceAges 14+
Strongest cautionsDeath of a character 4/5 · Frightening scenes 4/5 · Violence 4/5
Strongest positivesCourage & resilience 3/5 · Diverse representation 3/5
Series positionBook 1 · ONE OF US IS LYING
Recommendation3/5

Courage & resilience; strongest caution: death of a character.

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

Quick context

What parents should know

The novel includes a fatal suicide plan, murder investigation, attempted strangulation and assault, drug addiction, bullying, homophobia, infidelity, and emotionally intense family conflict. Its YA prose and themes suit mature teens. This is guidance, not a safety guarantee; reading level and family context may differ. Courage & resilience; strongest caution: death of a character.

Readiness snapshotAge guidance: 14+Main watch-out: Death of a character 4/5
Recommendation 3/5

Editorial rating

How this review was built

Dickens & Rumi editorial
Source checkedPublication method
17Scored categories
17Evidence notes
0Explicit 0/5 checks
Nov 2, 2026Last updated

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

Review depth17 scored categories17 evidence notes
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At a glance

Recommended age14+

Strongest cautions

  • Death of a character4/5
  • Frightening scenes4/5
  • Violence4/5

Strongest positives

  • Courage & resilience3/5
  • Diverse representation3/5
  • 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 2 · ONE OF US IS NEXTStrongest cautions: Death of a character 4/5 · Frightening scenes 4/5Open next review →
  1. Book 1 · ONE OF US IS LYINGAges 14+
    Death of a character4/5Frightening scenes4/5Violence4/5Alcohol or drugs3/5LGBTQIA characters3/5Romance3/5Graphic injury2/5Strong language2/5Products & advertising1/5Sexual content & nudity1/5
    Starting point
  2. Book 2 · ONE OF US IS NEXTAges 14+
    Death of a character4/5Frightening scenes4/5Strong language3/5Violence3/5Alcohol or drugs2/5Graphic injury2/5LGBTQIA characters2/5Romance2/5Products & advertising1/5Sexual content & nudity1/5
    Gets gentler

Keep going

What should you do next?

One review should lead naturally to the next useful choice.

Similar, with lighter cautions

Want something gentler?

These reviewed titles have overlapping age guidance and a lower total caution score than ONE OF US IS LYING. Open each review for the details.

What’s in it?

Products & advertising1/5
Why this rating?

Mentions of common teen technology and social media platforms as part of the modern setting.

Death of a character4/5
Why this rating?

A primary character dies early on; suicide is a central plot point revealed later.

Graphic injury2/5
Why this rating?

Includes descriptions of a fatal allergic reaction and the physical aftermath of an assault, though not excessively graphic.

Strong language2/5
Why this rating?

Contains mild to moderate teen-appropriate profanity and verbal bullying.

LGBTQIA characters3/5
Why this rating?

A main character is revealed to be gay, which is a significant plot point involving coming out and facing prejudice.

Romance3/5
Why this rating?

Features high school romantic relationships, dating, and interpersonal intimacy appropriate for the YA genre.

Frightening scenes4/5
Why this rating?

A death investigation and sustained threats build suspense. The climax includes stalking, a chase through the woods, attempted strangulation, and a rock attack.

Sexual content & nudity1/5
Why this rating?

Includes references to infidelity and teen relationships, but lacks explicit sexual content.

Alcohol or drugs3/5
Why this rating?

Drug addiction affects Nate’s mother, Nate faces a drug-related search, and steroid accusations are part of the investigation.

Violence4/5
Why this rating?

A character is attacked, followed, strangled, and struck with a rock; police custody and threats add sustained danger.

What’s good in it?

Courage & resilience3/5
Why this rating?

Characters confront public exposure, accusations, family conflict, bullying, and physical danger, with Addy resisting Jake and Cooper intervening.

Creativity & curiosity2/5
Why this rating?

The mystery format encourages readers to track clues and consider multiple perspectives.

Diverse representation3/5
Why this rating?

The cast includes varied family circumstances and a gay student whose identity and homophobia are treated as meaningful parts of the plot.

Educational value1/5
Why this rating?

Focuses on narrative entertainment; incidental learning about friendship and social dynamics.

Kindness & empathy3/5
Why this rating?

Friendship and mutual support develop among the suspects, including Nate defending Cooper and Addy helping Janae.

Positive messages3/5
Why this rating?

The story emphasizes solidarity, truth, accountability, resisting harassment, and supporting people facing stigma and crisis.

Good role models3/5
Why this rating?

The protagonists make serious mistakes but grow into supportive friends; Nate defends Cooper and the group seeks legal help.

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. How did the story approach death or loss? What helped the characters cope?
  3. Which choice in ONE OF US IS LYING would you have made differently, and why?
  4. Who changed the most in ONE OF US IS LYING, 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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