Chapter 1: Introduction and Overview: Does Supervision Matter? -- Chapter 2: News of Difference in Social Work Supervision: What Works? -- Chapter 3: A Core Model of Supervision for the 21st Century: Explored and Explained -- Chapter 4: Keeping the Child in Mind, and at the Heart of Supervisory Reflections -- Chapter 5: Four Functions of Twenty-first Century Supervision; Safety -- Chapter 6: Four Functions of Twenty-first Century Supervision: Knowledge and Skill Development -- Chapter 7: Four Functions of Twenty-first Century Supervision: Management and Leadership -- Chapter 8: Four Functions of Twenty-first Century Supervision: Advocacy -- Chapter 9: Bringing it all Together, Integrating the Four Functions.