The last two decades have witnessed a remarkable growth of interest in what are variously termed discourse markers or discourse particles. The greatest area of growth has centered on particles that occur in sentence-initial or turn-initial position, and this interest intersects with a long-standing focus in Conversation Analysis on turn-taking and turn-construction. This volume brings together conversation analytic studies of turn-initial particles in interactions in fourteen languages geographically widely distributed (Europe, America, Asia and Australia). The contributions show the...