Lynn Louise Wonders is a licensed professional counselor (LPC), certified professional counselor (CPCS), and registered play therapist-supervisor (RPT-S). She has provided clinical supervision, consultation, and training since 2010.

Mary L. Affee is a licensed clinical social worker (LCSW), a registered play therapist-supervisor (RPT-S), and holds a doctorate in education. She is the founder and clinical director of Horizon Integrated Wellness Group, a private practice in North Carolina.

Part One: Foundations of Treatment Planning 1. Purposeful and Effective Treatment Planning for Children and Families 2. Understanding the Context of Human Development in Treatment Planning 3. Cultural Implications to Treatment Planning for Children and Families 4. Approaches for Case Conceptualization and Treatment Planning Part Two: Treatment Planning from a Variety of Theoretical Orientations, Models, and Approaches 5. An Adlerian Play Therapy Approach to Treatment Planning 6. Treatment Planning for Animal Assisted Play Therapy(TM) 7. An AutPlay® Approach to Therapy Planning 8. A Child-Centered Play Therapy Approach to Treatment Planning 9. Treatment Planning from a Cognitive Behavioral Play Therapy Perspective 10. A Digital Play Therapy(TM) Approach to Treatment Planning 11. Using a Family Systems Approach to Assessment and Treatment 12. A Filial Therapy Approach to Treatment Planning 13. A Developmental Approach to Treatment Planning for Infants with FirstPlay® Therapy 14. A Gestalt Approach to Treatment Planning 15. A Jungian Approach to Treatment Planning 16. Kalffian Sandplay in Assessment and Treatment Planning 17. A Psychodynamic Approach to Treatment Planning 18. A Neurobiological Relational Approach to Therapy Planning 19. A Synergetic Play Therapy® Approach to Treatment Planning 20. Treatment Planning in TraumaPlay(TM): Story Keeping for the Family System Part Three: Special Populations and Considerations with Treatment Planning 21. Therapy Planning for Sexually Abused Children and Adolescents 22. Therapy Planning with EMDR® and Play Therapy 23. Psychotherapy Treatment Planning with Children in Crisis 24. A Neurodiversity Affirming Approach to Therapy Planning 25. Treatment Planning with Children During High-Conflict Divorce 26. Treatment Planning with LGBTQ+ (SOGIE) Youth and Families 27. Race-Based Assessment, Diagnosis, and Treatment Planning with Black Children and Families 28. Mindfulness in Treatment Planning 29. Families, Children, and Technology in Treatment Planning 30. Treatment Planning in Clinical Supervision