|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||1 days ago||40.17||$20.73||You save $19.44|
|Amazon US||3 days ago||28.54||$20.73||You save $7.81|
GRETCHEN RUBIN is the author of the bestselling book The Happiness Project and Happier at Home, based on her daily blog by the same name. Her blog has appeared on Slate, The Huffington Post, Yahoo! Shine.com, Psychology Today, Intent.com, and elsewhere. She also posts on RealSimple.com. She is a graduate of Yale Law School, where she was editor in chief of the Yale Law Journal.