The Happiness Project Mini Posters: A Coloring Book by Gretchen Rubin
| ISBN: | 9780451498380 |
| Publication date: | 28th March 2017 |
| Author: | Gretchen Rubin |
| Illustrator: | Clairice Gifford |
| Publisher: | Clarkson Potter an imprint of Random House USA Inc |
| Format: | Paperback |
| Pagination: | 40 pages |
| Genres: |
Stationery and miscellaneous items |