Book excerpt: This expert guide to working with transgender and gender variant youth offers ways to make positive change to service provision for practitioners working with this group. Based on the latest research, the recommendations made by the author are backed up by statistics and data, and refer to first-hand stories and experiences. Exploring four key areas - mental health, physical health, sexual health and social health - the book sets out exactly what professionals need to know in relation to these areas and how to support trans youth in these circumstances. Providing clarity on a range of topics, this is the perfect overview for practitioners, as well as a useful text for students and researchers.