Volume 68 of Advances in Cancer Research continues the tradition of publishing up-to-date reviews and "hot" topics in cancer research. This volume begins with a "Foundations in Cancer Research" article by Harald zur Hausen that reviews his years of research on the idea that cancer can be triggered by infection. The structure and function of the cytokine receptor superfamily and its association with leukemias are discussed in depth by James Ihle. Marcia Hall and Gordon Peters review the evidence indicating that genetic abnormalities hinder the function of certain cyclins and their inhibitors. The most widely studied protooncogene, c-myc, is reviewed by Marie Henriksson and Bernhard L