This text juxtaposes information from the wide range of disciplines involved in the investigation of protein kinase C to provide an integrated picture of current research activities. The contributors are active researchers in the field. The basic biochemistry of protein kinase C, its appearance as a heterogenous gene family, its structure, activation and regulation as well as the biology of this enzyme, its relevance to processes like cellular differentiation or synaptic transmission, are described in detail. Standing orders placed before December 31st, 1996 will receive a 10% reduction off the list price of all volumes published within the series between the order date and December 31st, 1997. This offer is valid as of June 1996, firm order basis only.