Caliban's war (2017) Parents Guide: Is the book OK for kids?
Age Rating, Sex, Violence & Language
The second book in the NYT best-selling Expanse series, Caliban's War shows a solar system on the brink of war, and the only hope of peace rests on James Holden and the crew of the Rocinante's shoulders. Now a Prime Original series. We are not alone. On Ganymede, breadbasket of the outer planets, a Martian marine watches as her platoon is slaughtered by a monstrous supersoldier. On Earth, a high-level politician struggles to prevent interplanetary war from reigniting. And on Venus, an alien protomolecule has overrun the planet… Sign up for the full guide
Adult • 2017 • 605 pages • Grade 10-12
Caliban’s War is a complex space opera that earns its 16+ recommendation through intense military violence, body horror related to biological experimentation, and frequent strong language. Parents should be aware of the 'protomolecule' creatures which are humanoids grotesquely transformed into weapons, often with graphic descriptions of viscera and blue fluid. The narrative balances high-stakes interplanetary political maneuvering with… Sign up for the full guide
Is Caliban's war appropriate for kids?
Caliban’s War is a complex space opera that earns its 16+ recommendation through intense military violence, body horror related to biological experimentation, and frequent strong language. Parents should be aware of the 'protomolecule' creatures which are humanoids grotesquely… Read more — free account
Content severity in Caliban's war
What happens in Caliban's war, moment by moment
- p. 4 ⚔ Violence & Gore 6/10
- p. 18 ⚔ Violence & Gore 7/10
- p. 32 🔥 Mature Themes 3/10
Sex and nudity in Caliban's war
Mild to moderate. While explicit sex is generally avoided, there are several scenes of characters in bed together with post-coital dialogue between James Holden and Naomi Nagata. References are made to 'hormonal teenagers' and 'working the bars,' and Avasarala uses crass, sexually charged vocabulary to assert dominance over subordinates. The narrative includes some flirting between Avasarala and Cotyar, though it is strictly professional and verbal. Most romantic interaction is depicted through established…
Read more — free accountViolence and gore in Caliban's war
Strong and often graphic. The book features intense military engagements including railgun fire, boarding actions, and hand-to-hand combat using powered armor. The 'Caliban' soldiers cause significant gore, including dismemberment and the visualization of 'protomolecule' bioluminescence within human remains during scenes like the Io confrontation. Several chapters describe the visceral impact of vacuum on the human body and the messy results of high-G maneuvers. The body horror elements are significant…
Read more — free accountLanguage in Caliban's war
Strong and frequent throughout the novel. The 'f-word' is used regularly across all chapters, particularly by Chrisjen Avasarala who uses it as a rhetorical weapon and Amos Burton who uses it matter-of-factly. Words like 'shit,' 'goddamn,' 'bastard,' and 'asshole' are common staples of the dialogue between Belters and Inners. Avasarala’s dialogue is famously profane, often using vulgarity to shock and intimidate high-ranking diplomats. The frequency of swearing is high, reflecting the gritty and high-stress…
Read more — free accountDrugs, alcohol, and smoking in Caliban's war
Moderate. Professional drinking is common in political settings; characters drink scotch, beer, and wine. Some mentions of performance-enhancing drugs used by military personnel ('focus meds') to manage space-travel fatigue and PTSD.
Mature themes in Caliban's war
Mature and dark. Central themes include the ethics of human experimentation on children, the trauma of PTSD following Bobbie Draper’s struggle after the Ganymede incident, and the cold calculus of political brinkmanship. The story explores the desperation of a father, Prax, searching for his lost daughter in a war zone. It also touches on the concept of 'greater good' used to justify heinous crimes and the corrupting nature of power within Earth's UN and Mars' MCRN. The existential dread of the protomolecule and…
Read more — free accountFrequently Asked Questions
Is Caliban's war appropriate for kids?
Bontent's parent guide suggests Caliban's war is best for ages 16+. Caliban’s War is a complex space opera that earns its 16+ recommendation through intense military violence, body horror related to biological experimentation, and frequent strong language. Parents should be aware of the…
What age rating does Caliban's war have?
Books don't carry official age ratings. Caliban's war is shelved by its publisher as Adult, but that's a marketing category, not a content rating — Bontent's own review of what's actually on the page puts it at ages 16+.
What reading level is Caliban's war?
Caliban's war is 605 pages and its reading level is Grade 10-12. Bontent recommends it for ages 16+.
What is Caliban's war about?
Caliban’s War is a complex space opera that earns its 16+ recommendation through intense military violence, body horror related to biological experimentation, and frequent strong language. Parents should be aware of the 'protomolecule' creatures which are humanoids grotesquely transformed into weapons, often with…
Is there sex or nudity in Caliban's war?
Mild to moderate. While explicit sex is generally avoided, there are several scenes of characters in bed together with post-coital dialogue between James Holden and Naomi Nagata. References are made to 'hormonal teenagers' and 'working the bars,' and…
How violent is Caliban's war?
Strong and often graphic. The book features intense military engagements including railgun fire, boarding actions, and hand-to-hand combat using powered armor. The 'Caliban' soldiers cause significant gore, including dismemberment and the visualization of…
Is the language in Caliban's war appropriate for kids?
Strong and frequent throughout the novel. The 'f-word' is used regularly across all chapters, particularly by Chrisjen Avasarala who uses it as a rhetorical weapon and Amos Burton who uses it matter-of-factly. Words like 'shit,' 'goddamn,' 'bastard,' and…
Are drugs, alcohol, or smoking depicted in Caliban's war?
Moderate. Professional drinking is common in political settings; characters drink scotch, beer, and wine. Some mentions of performance-enhancing drugs used by military personnel ('focus meds') to manage space-travel fatigue and PTSD.
What mature themes appear in Caliban's war?
Mature and dark. Central themes include the ethics of human experimentation on children, the trauma of PTSD following Bobbie Draper’s struggle after the Ganymede incident, and the cold calculus of political brinkmanship. The story explores the desperation of…
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