Adrian Doff has worked as a teacher and teacher trainer in Finland, Yugoslavia, Britain, Lebanon and Egypt. He is co-author of Meanings into Words and the Language in Use series; author of the teacher training course Teach English; series editor of Cambridge Skills for Fluency series and co-author of Listening 1, 2 and 4 in that series; and one of the authors of English Unlimited. He is currently living in Germany and working as a freelance writer and teacher trainer.