"Citizen of the Galaxy" is a science fiction novel by American author Robert A. Heinlein, first published in 1957. The novel follows the life of a young boy named Thorby, who is sold into slavery on an alien planet after his parents are killed.
As Thorby grows older, he becomes embroiled in the complex politics and power struggles of the planet's ruling class, as well as the mysterious network of interstellar traders known as "Free Traders." With the help of his Free Trader friends and a wise mentor figure named Baslim, Thorby learns about his true identity and his place in the galaxy.
Through Thorby's journey, Heinlein explores themes of identity, freedom, and the struggle against oppression. He also delves into the culture and politics of the various alien races that populate the galaxy, and paints a vivid portrait of a vast, interconnected universe.
"Citizen of the Galaxy" has been praised for its engaging storytelling, memorable characters, and thought-provoking themes. It is considered a classic of science fiction literature, and has been cited as an influence on numerous other works in the genre.
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