Gretchen Rubin
Gretchen Rubin's most popular book is The Happiness Project with 325 saves and an average rating of 3.54.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
1 primary book2 released booksAuthored 100% of series
Better Than Before
Better Than Before is a 2-book series with 1 released primary work first released in 2015 with contributions by Gretchen Rubin.
#1
#1.5