Book excerpt: This book serves as a guide to key topics regarding pediatric gender identity to help clinicians better care for transgender and gender diverse youth. Written by experts in the field, it covers critical considerations for child health providers from a variety of disciplines in a range of clinical settings. Patients, families and other community agencies can also find useful information about current practices and recommendations for care and support. The text begins by overviewing terminology, epidemiology, gender identity development, and relevant neurobiology. Next, the text focuses on the emergence of affirmative treatment paradigms using a patient-centered, consent based framework. Topics include psychotherapeutic support, gender-affirming medical and surgical care, management of co-existing psychiatric conditions, sexual health and fertility, legal considerations, international considerations, and more. Pediatric Gender Identity can be used as a framework to address core clinical issues and offers practical considerations for gender-affirming care. Using the growing science and understanding of gender development, this book is an excellent resource for all professionals working with gender diverse youth, including child and adolescent psychiatrists, pediatricians, pediatric surgeons, psychologists, therapists, researchers, school and educational leaders, and students.