The Royal Shakespeare Company announced Wednesday that it will produce a play based on George R.R. Martin’s Song of Ice and Fire novels: Game of Thrones: The Mad King, “a sweeping new stage epic” set shortly before the events in Game of Thrones, the book and HBO TV adaptation. The play, scripted by Every Brilliant Thing writer Duncan Macmillan, will premiere later this year in the UK’s Stratford-on-Avon, with priority tickets on sale as of April 14. Here’s the theater’s description of the show:

