Mikolaj Pa is a graduate of cultural studies, a graphic designer, writer, and collage artist living in Wroclaw, Poland. He is the author of graphic novels and books for children including No. 5 Bubblegum Street and No One is Home , also published by Greystone Kids. Gosia Herba has been working for publishers, magazines, music labels, and ad agencies for the last fifteen years. She's also an illustrator and author of books for children and graphic novels, including No. 5 Bubblegum Street and No One is Home , also published by Greystone Kids. She lives in Wroclaw, Poland. Scotia Gilroy is a translator of Polish literature into English and a writer of prose and poetry.

Originally from Vancouver, Canada, Scotia Gilroy is now based in Kraków, Poland. She studied English literature at Simon Fraser University (graduating with First Class Honours), and Polish language and literature at the Jagiellonian University's Centre for Polish Language and Culture. She was a mentee in the National Centre for Writing's Emerging Translator Mentorship in Norwich, England, in 2016-2017 (under the mentorship of Antonia Lloyd-Jones).