British author J.K. Rowling

An adult Harry Potter and his son Albus Severus will take center stage in a theatrical sequel to J.K. Rowling’s magical book series.

“Harry Potter and the Cursed Child,” based on a new story part-written by Rowling, opens at the Palace Theatre in London’s West End district on July 30, 2016, publicists for the production said on Friday.

The story takes place 19 years after Harry’s final showdown with the dark wizard Lord Voldemort, described in “Harry Potter and the Deathly Hallows,” the seventh book. Now an overworked employee of the Ministry of Magic with three school-age children, Harry “grapples with a past that refuses to stay where it belongs,” a statement about the new play said.

Meanwhile, Albus, named after Harry’s old headmaster and mentor Albus Dumbledore, struggles with the weight of the family legacy.

“As past and present fuse ominously, both father and son learn the uncomfortable truth: sometimes, darkness comes from unexpected places,” the publicists said.

The play will be in two parts which are intended to be seen in order on the same day, or on two consecutive evenings. An initial 16 weeks of performances will go on sale in the first booking period, which starts on Oct. 30.

Publicists have been releasing a drip-drip of information over several months in what appears to be a strategy to tantalize fans, although commercial success for the venture looks extremely likely regardless of any marketing efforts.

So far everything connected to Harry Potter has turned to gold. Rowling’s books have sold over 450 million copies and been translated into 78 languages, while the eight-part film franchise based on the books grossed more than $7 billion at the worldwide box office.

The new story was a collaboration between Rowling, scriptwriter Jack Thorne and theater director John Tiffany, who has won awards in London and New York for his work on the musical “Once.”

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