Debi Gliori is the award-winning writer and illustrator of over eighty picture books and novels for children of all ages, including the bestselling modern classic No Matter What (Bloomsbury) and the Mr Bear series (Orchard). Her picture book about depression, Night Shift (Templar), was shortlisted for the Kate Greenaway Medal. She is also author of the Little Owl series of books, illustrated by Alison Brown, for Bloomsbury. Debi lives near Edinburgh and has twice been writer-in-residence in the Shetland Isles. Her favourite colour is blue or, more precisely, four different shades of blue: cerulean blue, cobalt blue, Mediterranean turquoise blue and warm ultramarine blue. She has sold over 600,000 books in the UK alone.