Content report card
What's inside
Medium confidence
Moderate
· 3/5
Combat between human protagonists and demons; some character deaths and injuries, though not gratuitously described.
Mild
· 1/5
Occasional mild profanity appropriate to young adult conventions.
Some
· 2/5
Kissing and romantic tension between characters; no explicit sexual content.
Mild
· 1/5
A minor LGBTQ+ supporting character present in the series.
Moderate
· 3/5
Dark supernatural elements including demonology, betrayal by trusted figures, and exploration of moral ambiguity; emotionally heavy rather than horror-focused.
What it offers
Strong
· 4/5
Emphasis on loyalty, self-sacrifice, choosing what is right over what is easy, found family, and redemption.
Strong
· 4/5
Protagonists demonstrate courage, integrity, and growth in facing difficult choices; characters model complex decision-making and caring for others.
A note for parents
City of Glass is the third book in The Mortal Instruments series, a paranormal fantasy with urban settings and demon-fighting action. The story contains moderate violence tied to supernatural conflicts, some romantic tension, and dark themes around family betrayal and moral complexity. It rewards loyalty, courage, and self-sacrifice while featuring diverse characters with strong development.
Analyzed by AI · 1 day ago
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Shelved under
Loveable Characters
Diverse Characters
A mix driven
Strong Character Development
Weak Character Development
Plot driven
Not Diverse Characters
Unloveable Characters
Saghe
Character driven
Adventurous
tense
ISBN 9781406322873 · Walker Brothers Ltd
For your family
Is “City of Glass” right for your kid?
Ready from about age 14.
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For younger readers
This fantasy adventure features combat between characters and supernatural creatures, with some character deaths and injuries as part of the story. There are also darker themes around betrayal and moral complexity that create emotional weight, though reading together can help process these elements and make it enjoyable for younger readers.
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