A variety of discourse modes and compositional practice now pervade much of our mediated communication. Digital tools factor heavily in such composition, and increasingly its collaborative character. They also have a bearing on our changing, and indeed, emerging, practices as designers, educators and researchers. This wide-ranging and ambitious collection of largely project-based contributions addresses these developments with reference to the core notion of multimodality. The chapters take the social semiotics of this approach and relate it to a wide range of disciplines and intersections in a sociocultural perspective on design, mediation and learning. Production based inquiry is also central and offers means of moving inside experimental and more established compositional processes and products