Kids spend a lot of time drawing and playing creative games, so they also love picture books because the illustrations are appealing and they are very interesting to them. Problematic picture books are a special type of picture book, aimed at bringing about everyday, real life, but from a child's perspective. The "Petra" series of paintings are outstanding problem picture books intended for children of preschool age who deal with everyday children's problems. Design of the picture book is adapted to the children, and the text follows the illustrations. Children often experience phases through their growing up. At each stage there are certain problems that need to be overcome. In this picturebook, through a simple story, children learn how to recognize their own emotions, overcome their fears, form their personality, develop social relationships, accept differences etc. The picture books were viewed with regard to the problems they cover. The act begins with introducing to the story, then a problem occurs and through the continuation of the story the problem is resolved. It resolves so that the images and text somehow learn child, giving him an explanation of what is wrong and what is correct.