|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon US||2 days ago||34.17||$15.63||You save $18.54|
|Book Depository US||2 days ago||24.79||$15.63||You save $9.16|
|Amazon UK||3 days ago||24.73||$15.63||You save $9.10|
"This book brilliantly shows the structure and subtlety of basic math. Math is a global language that knows no borders and opens opportunities for us all."--Rick Frishman, author, speaker, and media expert; treasurer and secretary for the Dr. Mark Victor Hansen Foundation, "literacy to end poverty"