Gretchen Rubin

Gretchen Rubin is an American author and blogger. Her books – which have sold more than three million copies – often focus on the relationship between happiness and three other h’s: human nature, habits, and home. To add another one, they are also written with a lot of humor. Some of them are: “The Happiness Project,” “Happier at Home,” “The Four Tendencies,” and “Better Than Before.”