This issue of Hematology/Oncology Clinics of North America, guest edited by Dr. Joaquin Bellmunt, is devoted to Bladder Cancer. Articles in this issue include: Diagnosis and Staging of Bladder Cancer; Epidemiology of Bladder Cancer; Molecular Biology of Bladder Cancer; Pharmacogenomics in Bladder Cancer; Management of Non-muscle Invasive Bladder Cancer; Non-urothelial Bladder Cancer and Rare Variant Histologies; Management of UUT; New Trends in Surgical Management of Bladder Cancer; Bladder Preservation Strategies; Perioperative Therapy of Bladder Cancer (Neoadjuvant and Adjuvant); First Line Treatment and Prognostic Factors of Metastatic Disease: Platinum Eligible Patients; First Line Treatment of Metastatic Disease: Platinum Ineligible Patients; Salvage Therapy in Metastatic Disease; and Future Directions and Targeted Therapies in Bladder Cancer.