Chang Chenguangis Professor of Linguistics in the Department of English, and the Director of the Centre for Australian Studies Sun Yat-sen University. His research interests include Functional Linguistics, Discourse Analysis, Language Education, and Australian Studies, and he has published over 50 journal articles and book chapters, and nearly 20 books and edited volumes in these areas. Apart from his publications, he is co-editor of the journalsFunctional Linguistics(Springer), andAnnual Review of FunctionalLinguistics(Higher Education Press). He is also the series co-editor of theM. A. K. Halliday Library Functional LinguisticsSeries (Springer).