A friend should be able to be an attentive listener, which made semiotician Roland Barthes wonder in his intriguing dictionary of love, "cannot friendship be defined as a space with total sonority?". This volume takes on the encyclopedic task - in the sense of Umberto Eco, where an encyclopedia is a very complex sign - to explore friendship in detail, not only as a form of love but in all its complexity as a bond that connects people and forms...