This speach deals with the series of didactic fairy-tales written by Czech author Martina Skala and Bulgarian writer Bozhana Apostolova. Martina Skala wrote tetralogy about famous musicians and composers whose little companion is a violin called Strado. Bozhana Apostolova is famous for her series about a small girl Bozhana, some of her fairy tales are magic, others contain stories of child's life. In this speach there will be analysed not only the didactic elements of both series but also estetic elements.