Now in a significantly revised second edition featuring 85% new material, this authoritative play therapy reference and text comprehensively reviews the current state of the field. Expert contributors describe theoretical foundations, showcase widely used clinical approaches, and explore challenging and timely professional issues. The book presents vivid case illustrations and synthesizes the play therapy research base. Chapters on specific populations (such as neurodivergent children, culturally diverse children, adolescents) and clinical problems (such as trauma, disrupted attachment, anxiety) provide the knowledge therapists need to tailor interventions effectively. New to This Edition *Chapters on Gestalt play therapy, prescriptive play therapy, group play therapy, and nature-based play therapy. *Chapters on racial trauma, chronic illness, depression and suicidality, and attachment trauma. *Chapters on working with infants and parents, immigrant children and families, and LGBTQIA+ youth. *Chapters on telemental health, resilience, parent consultation, and working within child protection and legal systems. *Enhanced focus on research, with new coeditor Dee C. Ray bringing particular expertise.