Leading British and North American psychotherapists examine a range of approaches including person-centred, transactional analysis, Gestalt, cognitive and behavioural therapy. They discuss how, why and where each approach came about, and the context and influences under which it was formulated. They go on to survey the further development of theory and practice in each case, taking in the most significant trends and highlighting advances which are often not recognized or fully understood. Each approach is then brought firmly up to date with an overview of its current ideology and