Cibola Burn
| Company type | Novel |
|---|---|
| Industry | Publishing |
| Founded | 2014 |
| Founder | James S. A. Corey (Daniel Abraham and Ty Franck) |
| Products | Science fiction novel |
| Parent | The Expanse saga |
Cibola Burn is a 2014 science fiction novel authored by James S. A. Corey (the joint pseudonym of Daniel Abraham and Ty Franck) and represents the fourth installment in The Expanse saga. The narrative follows the crew of the Rocinante as humanity ventures into newly accessible worlds through gateways constructed by an ancient civilization responsible for the protomolecule. Drawing inspiration from western motifs, Cibola Burn centers on the challenges of survival at the edge of human expansion in space.
At the time of publication, Orbit Books revealed plans to extend the series to nine volumes, adding three additional novels beyond the original scope. The storyline of Cibola Burn was adapted into the fourth season of the television series, which premiered on Amazon Video on December 13, 2019.
Setting
After the events of Abaddon's Gate, humanity gains access to thousands of new planets through interconnected gate networks. At the outset of Cibola Burn, exploration is restricted by the United Nations, Martian government, and Outer Planets Alliance to a single corporate scientific expedition on Ilus—also known as New Terra—an Earth-like world featuring alien relics tied to the protomolecule.
Prior to this restriction, refugees from Ganymede aboard the Barbapiccola, displaced by circumstances in Caliban's War, had established a lithium mining settlement called First Landing on Ilus. Concurrently, Royal Charter Energy (RCE), a lunar corporation, obtained legal rights to colonize and sent scientists aboard the ship Edward Israel to study Ilus’s ecosystem, regarding the refugee settlers as trespassers. This dispute over territorial claims echoes historical patterns of colonial conflict.
Plot summary
On Ilus, settlers from First Landing, including Basia Merton, sabotage an RCE landing platform in an effort to prevent corporate dominance over the planet. The explosion detonated by Basia causes unintended casualties among her own people. The surviving RCE team, led by biologist Elvi Okoye, is taken in by the colonists, creating a fragile and tense coexistence. As hostilities threaten to escalate, Jim Holden and the crew of the Rocinante are dispatched by the UN and OPA to mediate. Holden is compelled by a vision induced by the Protomolecule that urges him to investigate deeper mysteries on Ilus.
Hostile colonists murder RCE security personnel who discover planted explosives. Adolphus Murtry, chief of security aboard the Edward Israel, arrives shortly before Holden and Amos and publicly executes a colonist, intensifying conflict. Mediation attempts collapse when Murtry uncovers a conspiracy against himself and Holden; he retaliates by killing those involved. Basia, though part of the planning yet reluctant to engage fully, warns Holden but is subsequently captured. Instead of executing Basia, Holden places him under UN custody aboard the Rocinante. Guided by Miller’s vision, Holden explores an anomalous "blind spot" on Ilus that remains undetected by Protomolecule technology.
Murtry orders deputy security chief Dmitri Havelock to train engineer militias and arm a shuttle. Naomi and Alex from orbit detect these developments; Naomi attempts sabotage but is apprehended by Havelock. While Holden negotiates her release with Murtry, a massive explosion triggers an extinction-level catastrophe on Ilus. Survivors take refuge within alien ruins near First Landing as the blast obliterates the settlement and induces a nuclear winter-like environment characterized by relentless rain. An alien defense system activates in orbit, destroying powered shuttles and disabling spacecraft reactors, causing orbital decay and preventing surface access.
Trapped on Ilus’s surface, colonists, RCE personnel, and Holden’s team confront scarcity of food and water alongside infestations of toxic worms and a fungal infection causing blindness. Miller’s vision directs Holden to deactivate the planetary defense mechanism from inside alien ruins. Murtry pursues Holden to safeguard RCE interests; Elvi and Amos follow closely behind to warn him.
In orbit, crews struggle with deteriorating orbits. To rescue Naomi, Alex dispatches Basia to break her out from imprisonment aboard Edward Israel. Initially pinned down by militias trained by Havelock, Havelock defects and liberates Naomi while assisting Basia against hostile forces. The Rocinante attempts to tow the colonist ship Barbapiccola into a higher orbit but faces attacks from militias under Murtry’s command. Havelock defeats these forces; although towing fails, crews rig portable airlocks enabling colonists to transfer off Barbapiccola moments before it reenters atmosphere—saving hundreds.
Elvi and Amos reach Holden but are ambushed by Murtry; Amos sustains injuries during their confrontation. Holden instructs Elvi to disable the defense network while he confronts Murtry directly. After wounding Murtry and choosing surrender over execution, Holden prepares for trial back in the Solar System. Guided by Miller—manifesting as a protomolecule-controlled robotic entity—Elvi discovers the "blind spot," an area filled with an unknown substance that neutralizes alien technology and likely originates from destroyer vessels created by protomolecule architects. Elvi transports the planetary defense device into this zone where it is destroyed without harm.
With Murtry detained, Holden’s crew alongside Havelock depart Ilus for return to the Solar System. Basia and Elvi remain behind to restore First Landing. The colony’s endurance serves as proof that extrasolar settlement is feasible, igniting widespread human migration through the Ring gates into other star systems.
Characters
- Basia Merton represents a refugee from Ganymede who was denied asylum within the Solar System. His vessel breaches through a gate to establish a new home on Ilus where they discover abundant lithium deposits—a highly valuable resource for trade. When legal claims are asserted by United Nations scientific teams, Basia faces difficult choices protecting his family amid competing interests.
- Elvi Okoye functions as a UN scientist assigned to evaluate Ilus’s untouched environment. As events unfold, she investigates alarming signs indicating that what appears hospitable may conceal deadly hazards.
- Dmitri Havelock, formerly partnered with Miller on Ceres, acts as deputy security chief for UN operations on New Terra. Stationed aboard their ship while his superior operates on surface duty, he grows increasingly skeptical about leadership decisions. The capture of a prisoner linked with the Rocinante precipitates critical consequences.
- James Holden is appointed by Chrisjen Avasarala as an impartial negotiator amid rising tensions on Ilus/New Terra. His team navigates complex colonial disputes, governmental agendas, and awakening alien phenomena during a crisis surpassing previous conflicts.
- Joe Miller grapples with understanding his existence within an alien framework while maintaining connections with Holden. Clues eventually enable him to deactivate alien machinery potentially saving all involved parties though both Miller’s remnants and The Investigator are destroyed in this process.
Reception
Publishers Weekly bestowed a starred review upon Cibola Burn, describing it as "splendid."