This volume contains the contributions to the workshop "The Semiotics of Cellular Communication in The Immune System" which took place at "11 Ciocco" in the hills north of Lucca, Italy, September -12, 1986. The workshop was the first meeting of what we hope will be a broad consideration of communication among lymphocytes, and focused on the new interdisciplinary branch of biological sciences, immunosemiotics. It is in the realm of the possible, if...