Lifeways Summary. The Postville community in Iowa is a living example of diversity, vitality, longevity, and resiliency. The book Postville U.S.A.: Surviving Diversity in Small-Town America is a thoughtfully written multi-authored book with several perspectives on the community’s struggles and successes. [Buy] Our Interest. Because of its cultural richness and historical significance, several stories and… Continue reading Postville U.S.A: Surviving Diversity in Small-Town America