Planning theory is currently in a confused state as a consequence of a number of changes over the last ten years in planning practice and social and economic theory. Even prior to these events, planning theory was an uncertain discipline, reflecting planning's precarious position between and resting upon a range of professional subject areas and philosophical roots. is an attempt to pin down the constantly evolving landscape of planning theory and to chart a path through this fast changing field. is an up-to-date reader on planning theory, but adds something more to the subject area than a mere textbook. The contributors have attempted to bridge theory and practice while putting forward new theoretical ideas. By drawing upon examples from planning practice and case study scenarios, the authors ensure that the work discusses planning theory within the context of present planning practice. Case studies are drawn from an international arena, from the UK, Europe, South Africa and Australia.