There is recurrent public concern with enhancing the quality of professional performance. What is the con-temporary understanding of professionalism? Are the needs of professionals in various fields being met in today's world, as what is commonly called "continuing professional development" has become of a sizable industry? Many books treat the professions as a homo-geneous group and view them from an external stand-point. In Professional Practices Tony Becher investigates the differences as well as the similarities between and within professional groupings, and presents the...