This issue of Medical Clinics, guest edited by Dr. Thomas G. DeLoughery, is devoted to anemia. Articles in this issue include: Anemia: Evaluation and Diagnostic Tests; Anemia of Chronic Disease; B12/Folate Deficiency; Iron Deficiency; Myelodysplasia; Autoimmune Hemolytic Anemia; Congenital Hemolytic Anemia; Sickle Cell Disease; Thrombotic Microangiopathy; Unusual Anemias; and Transfusion Therapy.