Dialogue interpreting is a generic term covering a diverse range of fields of interpreting which have in common the basic feature of face-to-face interaction between three parties: the interpreter and (at least) two other speakers. The interaction consists of spontaneous dialogue, involving relatively short turns at talk, in two languages. It is usually goal-directed in the sense that there is some outcome to be negotiated. The studies in this volume cover several different fields and involve a range of different languages. They have in common that they view the interpreter as just one of the parties to this three-way exchange, in which each participant's moves can affect each other participant and thus the outcome of the event.