Book excerpt: The editors are two of the most prominent researchers in this area. Both are at the Center for Urban Epidemiologic Studies. David Vlahov is particularly visible and known as the editor of the Journal of Urban Health. Sandro Galea is very prominent for his research on urban health; in particularly, research done on PTSD and children post-9/11. Thorough analysis of different populations in urban settings and specific health considerations Useful section on methods for the research audience. Applied in nature with section on prevention and interventions There are over 100 urban health centers in North America and there are no thorough, up-to-date ressources.