|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||1 days ago||54.98||$46.97||You save $8.01|
|Book Depository US||today||47.85||$46.97||You save $0.88|
Wayne L. Winston is a professor of Decision Sciences at Indiana University's Kelley School of Business and has earned numerous MBA teaching awards. For 20+ years, he has taught clients at Fortune 500 companies how to use Excel to make smarter business decisions. Wayne and his business partner Jeff Sagarin developed the player-statistics tracking and rating system used by the Dallas Mavericks professional basketball team. He is also a two time Jeopardy! Champion.