An INTA Summer Course 2009 will be held in St-Quentin-en-Yvelines in collaboration with the University of Versailles Saint-Quentin-en-Yvelines, France. It will take place between 31st August and 4th September 2009. This Summer Course is designed to enhance the participants' understanding of the challenges of urban development in the modern world. It is aimed at practitioners with a few years experience who wish to broaden their skills from considering the international examples and from mixing with colleagues from many different backgrounds and countries.