Mary Nyambura Muchiri is a retired associate professor of English from Taylor University, Indiana USA. She has a Ph.D in Linguistics from the University of Lancaster, UK. All her books can be purch...ver maisMary Nyambura Muchiri is a retired associate professor of English from Taylor University, Indiana USA. She has a Ph.D in Linguistics from the University of Lancaster, UK. All her books can be purchased from Amazon.com, other Online Distribution Channels and the Publishers.ver menos