New accounts for Waterstones Booksellers Ireland Ltd show that despite the 6pc increase in revenues to €14.57 million, pre-tax profits more than halved to €1.78 million due to higher costs in the 53 weeks to the end of May 3rd last year.

The Irish writer's fourth novel is due to be released soon, so why not take our quiz to find out just how much you know about Sally Rooney and her work.