This children's book, 'Saga-Sagor: Fiffiga kroppen och finurliga knoppen', is a delightful tale about a girl and a boy learning about their bodies and how to be healthy. The book is full of engaging illustrations and fun facts about the human body. It is a great way for children to learn about their own bodies in a fun and age-appropriate way. The book is published by Bonnier Carlsen.