John Hughes has taught in Austria, Poland, and Italy, and worked as Director of Studies for Business English in two schools. He has also managed a teacher training department in Cheltenham, UK. Currently he is living in the USA. Jon Naunton is a freelance teacher and materials writer. After graduating with a BA in English, he worked for International House in Italy and Libya. Returning to England he taught at the ILC executive school before joining IH London where he worked until 1996. He taught English at all levels and teacher trained on many RSA/UCLES Certificate and diploma courses. Michael Duckworth is a teacher and author who has worked in schools in Africa, the Far East, and Europe. He has written a number of successful courses, including several aimed at preparing students for, or leading up to, Cambridge ESOL examinations.