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The Happiness Project by Gretchen Rubin
It goes without saying that happiness is the key to success. That's why Gretchen Rubin, a writer in New York City, spent a year documenting each and every step of her quest to become happier. Follow Rubin's quirky, often humorous attempts to go to sleep earlier, exercise better, and get organized – without the preachiness of your typical self-help book.