Mary Nyambura Muchiri is a retired associate professor of English from Taylor University, Indiana, U.S.A. She has a Ph.D. in Linguistics from the University of Lancaster, U.K. All her books can be ...ver maisMary Nyambura Muchiri is a retired associate professor of English from Taylor University, Indiana, U.S.A. She has a Ph.D. in Linguistics from the University of Lancaster, U.K. All her books can be purchased from Amazon.com or the publishers.ver menos