The Happiness Project > Editions
by Gretchen Rubin First published 2009
Published January 1st 2013
by HarperCollins Publisher
Paperback, 0 pages
Published
by Harper
Mass Market Paperback, 0 pages
Published 2020
by BLOOM
Paperback, 215 pages
Published December 28th 2010
by HarperCollins Publishers
Kindle Edition, 320 pages
Published
by HarperCollins Publishers Ltd
Unknown Binding, 0 pages
Published November 10th 2010
by Sonzogno
Paperback, 414 pages
Published December 9th 2011
by FISCHER Taschenbuch
1, Kindle Edition, 450 pages