Partial table of contents:; Inositol Lipids and Phosphates in the Proliferation and Differentiation of Lymphocytes and Myeloid Cells (R. Michell, et al.); The Inositol 1,4,5-Trisphosphate Receptor (K. Mikoshiba, et al.); Regulation of Phosphoinositide and Phosphatidylcholine Phospholipases by G Proteins (J. Exton, et al.); The Signal-Induced Phospholipid Degradation Cascade and Protein Kinase C Activation (Y. Asaoka, et al.); Ca2/-Cyclic AMP Interactions in Sustained Cellular Responses (H. Rasmussen, et al.); Tyrosine Phosphatases and Their Possible Interplay with Tyrosine Kinases (E. Fischer, et al.); The Synaptic Activation of NMDA Receptors and Ca2/Signalling in Neurons (G. Collingridge, et al.); Persistent Signalling and Changes in Presynaptic Function in Long-Term Potentiation (A. Malgaroli, et al.); Indexes.