Advances in Immunology presents current developments as well as comprehensive reviews in immunology. Articles address the wide range of topics that comprise immunology, including molecular and cellular activation mechanisms, phylogeny and molecular evolution, and clinical modalities. Edited and authored by the foremost scientists in the field, each volume provides up-to-date information and directions for future research.* Interactions between NK Cells and B Lymphocytes* Multitasking of helix-loop-helix proteins in lymphopoiesis* The pathogenesis of Diabetes in the NOD Mouse