The purpose of the essay is to study the body as a phenomenon in contemporary Swedish youth literature. The body is studied on the basis of Toril Moi's feminist theory, which is based on Simone de Beauvoir's theory of the body as a phenomenon. The essay aims to study the body as a phenomenon based on the novel The Boys written by Jessica Schiefauer. The novel is about three friends: Kim, Momo and Bella. In an everyday life as girls, they feel left out. One day they find a flower which transforms their biological bodies from girls to boys. Through this metamorphosis their subjects is transformed as a result of the change of their biological gender. The thesis aims to investigate how their identity is affected based on gender and how it changes their lived experience. The body can be read as a situation that orients itself on the basis of a lived experience that shapes the identity. The purpose is to study how the lived experience changes in the characters based on their body as a phenomenon, with the main focus on the protagonist Kim.