Lydia Monks is one of the most original and bestselling picture book artists working today. Lydia illustrates several bestselling series including the What the Ladybird Heard adventures and Princess Mirror-Belle, written by Julia Donaldson. Her distinctive use of colour and collage has won her critical acclaim and several awards, including the Royal Mail Scottish Children’s Book Award, the Stockport Children’s Book Award and multiple nominations for the Kate Greenaway Medal. Mouse’s Big Day, written and illustrated by Lydia, is the first book in her Twit Twoo School series. Lydia lives in Sheffield.