Book excerpt: First published in 1981. Urban modelling techniques are an established tool in assessing the possible repercussions of major changes in land use. This book is an introductory guide to the various models that have been developed and to how they can be applied in planning practice, particularly with relation to land use activities such as residential, industrial and retail development, and changes in the transport network. The author has provided a coherent and reliable introductory text which will be welcomed by students and teachers in search of a guide to current methods in the field of urban modelling.