<P>Academic discourse is the gateway not only to educational success but to worlds of imagination, discovery and accumulated wisdom. Understanding the nature of academic discourse and developing ways of helping everyone access, shape and change this knowledge is critical to supporting social justice. Yet education research often ignores the forms taken by knowledge and the language through which they are expressed. This volume comprises cutting-edge work that is bringing together sociological and linguistic approaches to access academic discourse. </P><P></P><P>Systemic functional linguistics (SFL) is a long-established and widely known approach to understanding language. Legitimation Code Theory (LCT) is a younger and rapidly growing approach to exploring and shaping knowledge practices. Now evermore research and practice are using these approaches together. This volume presents new advances from this inter-disciplinary dialogue, focusing on state-of-the-art work in SFL provoked