Przemyslaw Wechterowicz is a Polish author of children's picture books, poetry, and plays. His works have received prestigious awards in Poland, including the Warsaw Book award.
Kasia Walentynowicz is an illustrator and graphic designer based in Poland. She studied at the Academy of Fine Arts in Warsaw, the ESAD College of Art and Design in Porto, Portugal, and the International School of Costume and Fashion Design in Warsaw. In 2016, she was nominated for the main prize in the film poster design category by the Polish Film Institute.