This issue of Hematology/Oncology Clinics, Guest Edited by Drs. Rachael Grace and Russell E. Ware, will focus on Pediatric Hematology. This issue is one of six selected for the year by the series Consulting Editors, George P. Canellos and H. Franklin Bunn. Topics include, but are not limited to, Rare Congenital Hemolytic Anemias, Sickle Cell, Thalassemia, Neutropenia and rare leukocyte disorders in children, Primary and Secondary Immune cytopenias, Disorders of Iron overload, Disorders of Iron metabolism, Approach to Hemophilia in a Changing Treatment Landscape, Von Willebrand disease, Inherited platelet disorders, Thrombosis, Diagnostic evaluation and medical approach to complications and treatment of vascular anomalies, New approaches and trials in Transfusion Medicine, and Updates in Neonatal Hematology.