From New York Times bestselling illustrator Eva Byrne comes this high-flying celebration of grandmothers and their superpowers Sharper than a pair of knitting needles . Stronger than sticky tape . It's SUPERNANA! Supernana is always there when you need her. Late for school? She'll turn back time! Stuck in a pinch on a camping trip? Supernana has got your back. And that's only the start. When an evil villain and her shrink ray descend on the city, will Supernana be up to the challenge? Julia will have to wait until bedtime to find out. Because her Nana's very best superpower is her storytelling . Or is it? From New York Times bestselling illustrator Eva Byrne comes this silly and fun celebration of grandmothers.