J.K. Rowling
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JK Rowling on new Harry Potter play

The BBC's Will Gompertz speaks to author JK Rowling and those involved in creating Harry Potter and the Cursed Child.

JK Rowling's Harry Potter books have sold hundreds of millions of copies and spawned a series of blockbuster movies.

The latest Potter instalment comes in the form of a two-part play.

It's called Harry Potter and the Cursed Child and had its first preview this week.

The BBC's Will Gompertz spoke to the author and the team involved in creating the play.