This innovative text presents a comprehensive review of the theoretical and empirical support for a wellness approach to counseling with current techniques for client assessment, case conceptualization, treatment planning, and intervention. The authors provide holistic strategies for wellness promotion with children, adolescents, and young, midlife, and older adults, as well as in counseling with groups, couples, and families. Each chapter includes reflection questions, learning activities, and resources to deepen readers' understanding of the content and application to practice. Wellness boosters offer quick methods for clients and counselors to increase their domain-specific and overall well-being. In addition, experienced counselors share their personal experiences implementing wellness interventions in Practitioner Spotlight vignettes. A chapter on counselor self-care completes the book.