Hit television series Game of Thrones is getting a prequel series, cable channel HBO says, the first green light for five potential spin-off projects for the award-winning medieval fantasy.
HBO said it had given a pilot order to a prequel that will take place thousands of years before the events of Game of Thrones, the biggest international hit for the Time Warner channel.
The as yet untitled prequel was created by British screenwriter Jane Goldman with author George R.R. Martin, whose novel series A Song of Ice and Fire is the basis for the Game of Thrones television series, HBO said in a statement.
It will chronicle "the world's descent from the golden Age of Heroes into its darkest hour," and look at the secrets of the history of the warring families in the fictional kingdom of Westeros.
News of the prequel comes ahead of the eighth and final season of Game of Thrones, which is due to be broadcast in 2019.
HBO gave no date for an expected release of the prequel.
Martin said a year ago that he is working with at least four other writers on ideas for other spin-offs but details have remained under wraps.
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