1. Hematopathology and Diagnostic Studies in Leukemia, Carlos Bueso-Ramos and Wesley Greaves , 2. Acute Myeloid Leukemia, Roland B. Walter and Elihu H. Estey, 3. Chronic Myeloid Leukemia, Elias Jabbour, Hagop Kantarjian, and Jorge Cortes, 4. Adult Acute Lymphoblastic Leukemia, Anna Z. Castleton and Adele K. Fielding, 5. The Myelodysplastic Syndromes, Yanis Boumber and Guillermo Garcia-Manero, 6. Myelofibrosis, Fabio P.S. Santos and Srdan Verstovsek, 7. Chronic Lymphocytic Leukemia, Preetesh Jain and Kanti R. Rai, 8. Reduced-Intensity Allogeneic Transplantation, Uday Popat, 9. Alternative Donor Transplantation for Adult Leukemia, Melhem Solh, and Navneet S. Majhail, 10. Immunotherapy for Leukemia, Caroline Arber, Barbara Savoldo, and Gianpietro Dotti, 11. Novel and Targeted Therapies in Leukemia, Amber Fullmer, Hagop Kantarjian, and Elias Jabbour, 12. Infections in Patients with Leukemia, Shashank S. Ghantoji and Roy F. Chemaly