The Number One New York Times Bestseller! Debut author Drew Daywalt and international bestseller Oliver Jeffers team up to create a colourful solution to a crayon-based crisis in this playful, imaginative story that will have children laughing and playing The Number One New York Times Bestseller! Debut author Drew Daywalt and international bestseller Oliver Jeffers team up to create a colourful solution to a crayon-based crisis in this playful, imaginative story that will have children laughing and playing