This unique book focuses on the non-myeloma plasma cell dyscrasias. A key resource for this group of diseases, the book features the latest in emerging knowledge and therapeutic developments, including novel therapies. Each disease-specific chapter discusses biology, disease course, and appropriate therapeutic interventions, covering plasma cell leukemia, plasmacytoma, POEMS Syndrome and Castleman's Disease, Waldenström macroglobulinemia, immunoglobin deposition disease, and cryoglobulinemic syndromes, among others. The only book dedicated to this intriguing family of diseases, will be a long-lasting reference for clinicians and scientists alike.