Teemu Juhani (born 1987) is a Finnish illustrator, picture book maker and comic artist whose illustrations have been published in picture books and children's fiction in over 30 countries. In addition to children's books Teemu has illustrated magazines and educational material. Originally from the fields and woods of North Karelia, Teemu now lives and works in Helsinki.

Magdalena Hai is a Finnish author of SF&F and children’s tales. Hai’s prose, long and short, has been nominated for several awards (Finlandia Junior Award, The Nordic Council Children and Young People's Literature Prize, LukuVarkaus, Topelius, Arvid Lydecken, Runeberg Junior) and has won the Kirjava Kettu, Stalker, Atorox, Blogistanian Kuopus, Kaarina Helakisa and the Finnish Literary Export Prize (Tulenkantaja). Her latest YA-series, Royaumen aikakirjat (The Chronicles of Royaume), includes so far two novels, Kolmas sisar (The Third Sister, Otava 2018) and Isetin solmu (The Knot of Iset, Otava 2021). Her and Teemu Juhani's Painajaispuoti/The Little Shop of Nightmares series has been sold to 24 language areas. A lover of cross-genre fiction and all things strange, Hai often combines elements of sci-fi, fantasy, and horror in her fiction. Besides writing Hai is an active member and editor in Osuuskumma Publishing. Home page: http://www.magdalenahai.com