Introduction; Part I: The adult mind: Cisnormativity, heterocentrism and criticism of gender and sexuality in children; 1 Discourses on trans children: Adult-centric narratives and youth fluid identities; 2 The clinical gaze on gender and bodily diversity in childhood and adolescence: Critical perspectives; 3 Nomadic ethics versus adultism: Towards equitable healthcare futures; 4 Who wants to be queer at school? Discussing gender and sexual diversity with children and staff in Portuguese schools; Part II: The child: Experiences, subjectivities and emancipatory perspectives; 5 Drifting away from biomedical hegemonies: Representations, discourses, and practices of health professionals on sexuality and gender in childhood; 6 Telling different stories: Contemporary narratives available to young people making sense of their gendered and sexual lives in England and Sweden; 7 The rhetoric of child well-being in the Italian public debate on same-sex parenting and gender equality education; Part III: The state: Policies, institutions and professional practices; 8 Lost in translation: Translating social justice into social care practice for LGBTI+ children and young people; 9 A cross-national review of policies and practices affecting LGBTQ+ youth in child welfare; 10 Genderphobic childhood constructions in Hungary