In Party of One, Anneli Rufus has crafted an argument in defense of the loner, then and now. Marshalling a polymath's easy erudition to make her case, assembling evidence from every conceivable arena of culture as well as interviews with experts and loners worldwide and her own analysis, Rufus rebuts the prevailing notion that aloneness is indistinguishable from loneliness, the fallacy that all of those who are alone don't want to be, and wouldn't...