Both authors of the fairy-tale Deep in Moss graduated from the Academy of Arts, Architecture and Design in Prague. Their first collaboration started in the Hafan film where they participated in a feature-length puppet film Little from the Fish Shop. Filip is engaged in animated film, he has received many festival awards for his short films (A Cricket and Ants, A Story of Shining Tony), and he also illustrated several books. Bara works mainly as an animator, illustrates books and runs animation workshops.