The Happiness Project > Editions
by Gretchen Rubin First published 2009
Published August 17th 2015
by HarperCollins Publishers and Blackstone Audio
Unabridged, Audio CD, 1 page
Published 2012
by Thời Đại
Paperback, 346 pages
Published 2010
by эксмо
Hardcover, 480 pages
Published June 2010
by Estrela Polar
Paperback, 332 pages
Published 2010
by Édesvíz
Paperback, 338 pages
Published 2010
by Eesti Ajalehed
Paperback, 288 pages
Published December 28th 2010
by HarperCollins Publishers
Kindle Edition, 320 pages