Gretchen Rubin, "The Happiness Project: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun" February 25, 2010

See Gretchen Rubin on tour to promote "The Happiness Project: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun"

Official Website: http://booktour.com/author/gretchen_rubin#476595