This volume presents a collection of papers from the second Interfaces in Language conference, hosted from 5–7 May 2009 at the University of Kent at Canterbury by the University’s Centre for Language and Lingustic Studies (CLLS). Borne of a dissatisfaction with the rigid division of linguistics into sub-disciplines, Interfaces 2 offered specialists a platform to explore links between different approaches, and attracted participation from ten countries on four continents, addressing a wide range of themes. Contributions are arranged under three thematic headings: Categories and...