With the recent discovery of JAK2 mutations in myeloproliferative disorders, medical science has taken a revolutionary stride forward toward understanding the pathogenesis of these diseases. This new advancement translates not only to a more rapid and reliable diagnosis, but also allows groundbreaking research into the development of new therapeutics. Written in an easy-to-follow text "myeloproliferative disorders "gives the practicing clinician a single source answer to classification, diagnosis, management, and recent advances in this disorder. "Myeloproliferative disorders, "written by international renowned experts in the field, examines new and developing diagnostic protocols and algorithms and supportive care regimens...the evolution and classification of recent myeloproliferative disorders...advancements and the implications arising from clinical care and practice...the activating "JAK2V617F" developed in a chapter by top experts...the overlap between myeloproliferative disorders and myelodysplastic syndromes...the importance of histopathology and cytogenetics on understanding these diseases