This small book is a part of the patient care series from Elsevier, which is meant for common people to have better understanding of blood cancers. ABOUT THE AUTHOR : Dr. Atul Kakar is presently working as Senior Consultant and Vice Chairman in Department of Internal Medicine, Sir Ganga Ram Hospital & associated hospitals, New Delhi. He is Professor of Medicine at Sir Ganga Ram Institute of Postgraduate Medical Education and Research (GRIPMER). The post includes taking independent rounds inwards, taking clinical decisions and supervising all ward activities including procedures. Besides this, the other duties include teaching postgraduate students, staff and supervising the teaching schedules. He conducts bedside clinics for postgraduates and registrars in a daily ward round. Academic Wing of Association of Physicians of India had awarded him a fellowship of Indian College of Physicians and the Royal College of Physicians Glasgow conferred him with an FRCP.