“Granny is seventy-seven years old, going on seventy-eight. She’s not very good at it either. You can tell she’s old because her face looks like newspaper stuffed into wet shoes, but no one ever accuses Granny of being grown-up for her age. “Perky,” people sometimes say to Elsa’s mum, looking either fairly worried or fairly angry as Mum sighs and asks how much she owes for the damages.”