Book excerpt: In this book, the authors have explored a series of different types of communities - moving from the basic idea of those based at a specific location all the way to virtual communities of the internet. A key feature of this book is the research focus that emphasizes the theory-driven analyses and the diversity of contexts in which sense of community is applied. The book will be of great interest to those concerned with understanding various forms of community and how communities can be mobilized to achieve wellbeing.