Co-author of the famous Headway course. Liz was Director of Teacher Training (Oxford University Press). She was also co-chief examiner for the Cambridge/RSA DELTA examination for over five years.
I am an English teacher and I used this book for elementary level in one of my tutoring lesson I think it is a good book as a start for biggeners who want to learn basic English.
Some of the text are interesting, but grammar is too difficult for learners. The first four units are appropriate, but then suddenly, everything becomes extremely difficult.