Book excerpt: Public Places - Urban Spaces is a holistic guide to the many complex and interacting dimensions of urban design. The discussion moves systematically through ideas, theories, research and the practice of urban design from an unrivalled range of sources. It aids the reader by gradually building the concepts one upon the other towards a total view of the subject. The author team explain the catalysts of change and renewal, and explore the global and local contexts and processes within which urban design operates. The book presents six key dimensions of urban design theory and practice - the social, visual, functional, temporal, morphological and perceptual - allowing it to be dipped into for specific information, or read from cover to cover. This is a clear and accessible text that provides a comprehensive discussion of this complex subject.