Drawing on collaborative research from a distinguished team at Harvard and Manchester universities, *The age of Obama* asks how two very different societies are responding to the tide of diversity that is being felt around the rich world. *Guardian* journalist Tom Clark, Robert D. Putnam - best-selling author of *Bowling alone* - and Manchester's Edward Fieldhouse offer a wonderfully readable account. Like *Bowling alone*, *The age of Obama* mixes social scientific rigor with accessible charts and lively arguments. It will be enjoyed by politics, sociology and geography students, as well as by