Urban parks such as New York City's Central Park provide vital public spaces where city dwellers of all races and classes can mingle safely while enjoying a variety of recreations. By coming together in these relaxed settings, different groups become comfortable with each other, thereby strengthening their communities and the democratic fabric of society. But just the opposite happens when, by design or in ignorance, parks are made inhospitable to certain groups of people.

This pathfinding book argues that cultural diversity should be a key goal in designing and maintaining urban...