Good teachers use good techniques and routines, but techniques and routines alone do not produce good teaching. The real art of teaching lies in teachers' professional judgement in circumstances in which there is no "right answer". This combination of flexibility, informed guesswork and constant self-monitoring is not easy to acquire, but David Tripp here shows how teachers can draw on their own experience to develop it. This is a very practical guide, with numerous classroom examples for discussion and reflection. Everyone concerned with the development of professionalism in teaching, and especially teachers who want to improve their own practice and pass on their expertise to others, will want to read it.