David Wann is the author of many books including The New Normal, Simple Prosperity: Finding Real Wealth in a Sustainable Lifestyle and the bestselling Affluenza, which he co-author...lihat lebih banyakDavid Wann is the author of many books including The New Normal, Simple Prosperity: Finding Real Wealth in a Sustainable Lifestyle and the bestselling Affluenza, which he co-authored. He lives in Golden, Colorado.lihat lebih sedikit