Antonis Papatheodoulou has published more than 50 books for children. He has been awarded two Greek State Picture Book Awards and the 2016 International Compostela Prize, five of his books have been included in the White Ravens list of the International Children's Library of Munich, and he was a candidate for the 2019 Astrid Lindgren Memorial Award. Iris Samartzi is a children's book illustrator and an art teacher whose work has received the 2016 International Compostela Prize for Picture Books, two Greek State Picture Book Awards and four Greek IBBY Awards. She is nominated for the Hans Christian Andersen Award 2020.