"Harry Potter And The Cursed Child" - Book Release At Foyles [Getty Images]

LONDON, ENGLAND - JULY 30: Staff prepare to sell copies "Harry Potter and the Cursed Child" at Foyles book store on July 30, 2016 in London, England. The script book of the play of the same name, which is on at Palace Theatre, billed as the eighth Harry Potter story, is on sale from midnight tonight. (Photo by Rob Stothard/Getty Images)

Getty Images Entertainment Rob Stothard