The Happiness Project, Tenth Anniversary Edition: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun

The Happiness Project, Tenth Anniversary Edition: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun was published in 2018 and is credited to Gretchen Rubin. It is catalogued as a nonfiction title. It is shelved for adult readers.

The cohort it is ranked inside is the 2010s, 1,613 books wide. The calibrated sample is 6 reviewers, out of 8 who rated at least twice, and the calibrated figure is taken over that smaller number.