This issue of Hematology/Oncology Clinics, Guest Edited by F. Stephen Hodi, is devoted to Melanoma. This issue is one of six selected each year by our series Consulting Editors, George P. Canellos and Edward J. Benz. Topics discussed in this important issue include: State of Melanoma, Biology of Melanoma, Epidemiology of Melanoma, Surgical Management of Melanoma, Melanoma Adjuvant Therapy, Targeted Therapies for Melanoma, Non-cutaneous Melanomas, Immune Checkpoint Therapies for Melanoma, Resistance Mechanisms to Current Therapies, Cellular Therapy and Cytokine Treatments for Melanoma, Combinatorial Approaches to the Treatment of Melanoma, and Melanoma Future Directions.