The syntactic periphery has become one of the most important areas of research in syntactic theory in recent years, due to the emergence of new research programmes initiated by Rizzi, Kayne and Chomsky. However research has concentrated on the empirical nature of clausal peripheries. The purpose of this volume is to explore the question of whether the notion of periphery has any real theoretical bite. An important consensus emerging from the volume is that the edges of certain syntactic expressions appear to be the locus of the connection between phrase structure, prosody, and information...