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Citizen of the Galaxy

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Plot Summary

Citizen of the Galaxy

Robert A. Heinlein

Fiction | Novel | Adult | Published in 1957

Plot Summary
Citizen of the Galaxy is a science fiction novel by American author Robert A. Heinlein. First serialized in 1957 in Astounding Science Fiction, it draws much of its structure and plot from Kim, a novel by Rudyard Kipling. The novel follows Thorby, a young, strong-headed slave who is sold at auction on the planet Jubbul into the care of an elderly beggar, Baslim the Cripple. Baslim nurtures and educates Thorby, who in turn discovers that Baslim is a spy from a secret society that hopes to reform Jubbul’s society. The novel is considered one of Heinlein’s best science fiction works and foundational to the genre.

The novel begins just as Thorby is purchased at auction by Baslim the Cripple, for barely any money. Baslim takes him to his underground home, which is strikingly beautiful. Baslim becomes a father figure for Thorby and teaches him how to beg. He also teaches him math, world languages, and history. Baslim employs Thorby to run small missions all around the city, in which he tracks the arrivals and departures of starships and delivers messages. Thorby eventually realizes that Baslim is on a mission to collect intelligence about the intergalactic slave trade. Baslim gives Thorby instructions about what to do if Baslim is suddenly killed or arrested. Soon after, Baslim is arrested and commits suicide. Thorby and the caretaker of a nearby inn, Mother Shaum, convey Baslim’s message to Captain Krausa, the captain of the starship Sisu. It turns out that Krausa’s secret society, the Free Traders, owes Baslim a great debt for rescuing one of his crews from slavery. The captain agrees to take Thorby on the Sisu, imperiling the whole crew.

Thorby soon finds that the Free Traders are a devoted, matriarchal people who live mainly on starships, engaging in constant trade with different planets. The captain takes a liking to Thorby, and he is thus well-liked among the clan. He learns their language and social norms while using his first-rate education to work at the ship’s missile station. Thorby proves his worth when he successfully destroys a pirate starship. Mata, his supervisor, develops a romantic interest in Thorby, something prohibited by the Free Traders. She is punished by being transferred to a different ship.



Captain Krausa’s wife, the chief of the Free Traders, intends to leverage Thorby’s relationship to Baslim to increase the notoriety of the Sisu. When she tries to marry him off, Captain Krausa defies her by transferring Thorby to a military cruiser owned by the Hegemonic Guard of the Terran Hegemony, the most powerful military group in the galaxy. He asks its captain to help Thorby find his home. Thorby learns that Baslim was once a colonel in the Hegemonic Guard. Baslim worked on a crucial mission in Jubbul fighting against the slave trade. Thorby decides to join the Hegemonic Guard to escape the astronomical cost of a background check.

Eventually, Thorby learns that he was born Thor Bradley Rudbeck, and descends from an ultra-powerful family that controls a conglomerate spanning multiple planets called Rudbek and Associates. Because Thorby was assumed unfindable, the company is run by an uncle, John Weemsby. Weemsby asks his stepdaughter, Leda, to help Thorby adjust to his new life. Leda and Thorby quickly become friends. In secret, Weemsby intends to thwart Thorby’s rise to corporate leadership.

Thorby investigates the story of his parents’ tragic disappearance. He develops a suspicion that some members of Rudbek and Associates were making money off the slave trade and conspired to eliminate his parents and sell him into slavery to promote their business interests. Weemsby catches wind of the investigation and halts it. Thorby finds legal representation and wages a legal battle for control of Rudbek and Associates. To his surprise, he wins the case, thanks to Leda’s board vote, which sways the decision in his favor. Made the firm’s new controller, he immediately fires Weemsby. As he examines the company’s involvement in the slave trade, he is disheartened to see that it is seemingly inextricably tied to decades of exploitation of the interplanetary slave industry. He gives up his former dream of modeling himself after Baslim and working as a member of the anti-slavery faction of the Hegemonic Guard known as the “X Corps.” Instead, he dedicates his life to pulling Rudbek and Associates out of the slave trade, viewing it as his inherited responsibility.



Citizen of the Galaxy is a highly political science fiction novel, touching on such themes as colonialism, human trafficking, corporate power, and democracy. As he did in many of his works, Heinlein used the freedom and intrigue of the emerging genre to comment on seemingly intractable injustices that exist on Earth. The novel is more a political commentary of the mid-twentieth century than a speculative work postulating a future world.

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