M. A. K. Halliday is widely regarded as the father of Systemic
Functional Linguistics, as well as having contributed important work to
fields such as sociolinguistics and language acquisition. This overview
will enable readers to understand and appreciate the significance of
Halliday's work. Written by Professor Jonathon J. Webster, the editor of
the Collected Works of Halliday, this is the definitive clear, concise
and accessible introduction to this immensely important linguist.