The Defining DecadeContemporary culture tells us the twenty something years don't matter. Clinical psychologist Dr Meg Jay argues that this could not be further from the truth. The Defining Decade weaves the latest science of the twenty something years with real life stories to show us how work, relationships, identity and even the brain can change more during this decade than at any other time in adulthood. Smart, compassionate and constructive, The Defining Decade is