Andrew Bond grew up in DR Congo, in Yorkshire, UK, and from twelve years of age in Switzerland. After years of youth work and a theology degree, Andrew taught ethics, religion, and music at a secondary school before becoming a prolific singer-songwriter, musical producer, and author of books for children and families.

Julie Völk lives and works in Vienna, Austria. Her pictures tell stories about growing up, strange meetings, and unusual aspects of life; and her clear, delicate style combines realism with fantasy, which gives her illustrations a highly original atmosphere. In 2018 she was named an IBBY Honored Illustrator.