You have WHAT? (the companion book to I Have WHAT?) is now available for purchase. It is a helpful resource for caregivers as well as patients and their families. Caregivers share candid stories about their experiences with Multiple Myeloma, Waldenstrom’s Macroglobulinemia, Amyloidosis, and MGUS (Monoclonal Gammopathy of Undetermined Significance). The book also contains practical advice from healthcare professionals who are experts at caring for these patients.