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Mortal Engines (The Hungry City Chronicles) (2017) Parents Guide: Is the book OK for kids?

Age Rating, Sex, Violence & Language

"The first book in the thrilling Predator Cities quartet"--Cover.

Upper MG • 2017 • 373 pages • Lexile 1020L (roughly grades 6–7 reading difficulty)

3.7
Average rating by Bontent members
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Age
12+

Mortal Engines is a cinematic, high-stakes steampunk adventure set in a post-apocalyptic world where cities move on tracks and consume one another. While written for a middle-grade to young-adult crossover audience, it contains frequent, often gritty violence, including on-page deaths by stabbing, explosions, and the unsettling concept of 'Stalkers'—reanimated, cyborg corpses. Parents should note a significant plot point involving a… Sign up for the full guide

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Is Mortal Engines (The Hungry City Chronicles) appropriate for kids?

Mortal Engines is a cinematic, high-stakes steampunk adventure set in a post-apocalyptic world where cities move on tracks and consume one another. While written for a middle-grade to young-adult crossover audience, it contains frequent, often gritty violence, including on-page… Read more — free account

Content severity in Mortal Engines (The Hungry City Chronicles)

Sex Mild 1/10
Violence Strong 6/10
Language Mild 2/10
Substances Moderate 4/10
Themes Strong 5/10

What happens in Mortal Engines (The Hungry City Chronicles), moment by moment

  1. p. 7 ⚔ Violence & Gore 4/10
  2. p. 15 💬 Language 1/10
  3. p. 32 ⚔ Violence & Gore 5/10
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Sex and nudity in Mortal Engines (The Hungry City Chronicles)

The book is virtually devoid of sexual content, focusing instead on high-stakes adventure and geopolitical conflict. A significant plot point reveals that Katherine Valentine and Hester Shaw share a father, Thaddeus Valentine, which implies a past extramarital affair, though this is treated as a matter of ancestry rather than romance. A few moments of emotional bonding occur between Tom and Hester, but their relationship remains platonic and rooted in survival. No kissing, physical intimacy, or sexual dialogue is…

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Violence and gore in Mortal Engines (The Hungry City Chronicles)

Violence is frequent, gritty, and often carries a sense of mechanical horror. The concept of Municipal Darwinism involves larger cities literally chasing down and 'eating' smaller ones, which results in the destruction of homes and livelihoods. Readers encounter the 'Stalkers,' which are reanimated, cyborg-like corpses with glowing green eyes and mechanical limbs, creating a macabre atmosphere. Characters are frequently placed in mortal peril, involving sword fights, stabbings, and high-altitude airship combat…

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Language in Mortal Engines (The Hungry City Chronicles)

The dialogue is very clean and consistent with a middle-grade adventure tone, though it uses occasional British-leaning mild profanity. Words like 'hell,' 'damn,' and 'gods' are used sparingly to emphasize moments of shock or frustration. There are no instances of harsh four-letter words or aggressive vulgarity. Most conflict is expressed through actions or intellectual debate rather than verbal abuse. The linguistic style is sophisticated but remains accessible and appropriate for its target 12+ audience. Parents…

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Drugs, alcohol, and smoking in Mortal Engines (The Hungry City Chronicles)

Substance use is largely absent from the world of Mortal Engines, with one notable exception involving a plot-driven drugging. The character Orme Wreyland uses a drugged tea to render Tom and Hester unconscious so he can sell them to the slave markets of a smaller town. This scene focuses on the betrayal and danger rather than the substance itself. There is very little mention of alcohol or smoking, though a few scenes in the gut of London or in the air-trader hubs mention characters being in rough pubs or…

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Mature themes in Mortal Engines (The Hungry City Chronicles)

The narrative explores heavy philosophical and social themes, primarily focusing on social Darwinism and the cyclical nature of human self-destruction. The protagonist, Tom, experiences a profound loss of innocence as he realizes his idol, Thaddeus Valentine, is a cold-blooded murderer. The ethics of war are questioned through the development of MEDUSA, a weapon that promises peace through total annihilation. Additionally, the book deals with themes of abandonment, parental betrayal, and what it means to be human…

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Frequently Asked Questions

Is Mortal Engines (The Hungry City Chronicles) appropriate for kids?

Bontent's parent guide suggests Mortal Engines (The Hungry City Chronicles) is best for ages 12+. Mortal Engines is a cinematic, high-stakes steampunk adventure set in a post-apocalyptic world where cities move on tracks and consume one another. While written for a middle-grade to young-adult crossover audience, it…

What age rating does Mortal Engines (The Hungry City Chronicles) have?

Books don't carry official age ratings. Mortal Engines (The Hungry City Chronicles) is published for a Upper MG audience, and Bontent's independent parent guide recommends it for ages 12+.

What reading level is Mortal Engines (The Hungry City Chronicles)?

Mortal Engines (The Hungry City Chronicles) is 373 pages and its reading level is Lexile 1020L (roughly grades 6–7 reading difficulty). Bontent recommends it for ages 12+.

What is Mortal Engines (The Hungry City Chronicles) about?

Mortal Engines is a cinematic, high-stakes steampunk adventure set in a post-apocalyptic world where cities move on tracks and consume one another. While written for a middle-grade to young-adult crossover audience, it contains frequent, often gritty violence, including on-page deaths by stabbing, explosions, and the…

Is there sex or nudity in Mortal Engines (The Hungry City Chronicles)?

The book is virtually devoid of sexual content, focusing instead on high-stakes adventure and geopolitical conflict. A significant plot point reveals that Katherine Valentine and Hester Shaw share a father, Thaddeus Valentine, which implies a past…

How violent is Mortal Engines (The Hungry City Chronicles)?

Violence is frequent, gritty, and often carries a sense of mechanical horror. The concept of Municipal Darwinism involves larger cities literally chasing down and 'eating' smaller ones, which results in the destruction of homes and livelihoods. Readers…

Is the language in Mortal Engines (The Hungry City Chronicles) appropriate for kids?

The dialogue is very clean and consistent with a middle-grade adventure tone, though it uses occasional British-leaning mild profanity. Words like 'hell,' 'damn,' and 'gods' are used sparingly to emphasize moments of shock or frustration. There are no…

Are drugs, alcohol, or smoking depicted in Mortal Engines (The Hungry City Chronicles)?

Substance use is largely absent from the world of Mortal Engines, with one notable exception involving a plot-driven drugging. The character Orme Wreyland uses a drugged tea to render Tom and Hester unconscious so he can sell them to the slave markets of a…

What mature themes appear in Mortal Engines (The Hungry City Chronicles)?

The narrative explores heavy philosophical and social themes, primarily focusing on social Darwinism and the cyclical nature of human self-destruction. The protagonist, Tom, experiences a profound loss of innocence as he realizes his idol, Thaddeus Valentine…

Where can I read the full Mortal Engines (The Hungry City Chronicles) parent guide?

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