1. Understanding Human Differences (Required)
   Author: Koppelman
   6th edition ISBN 9780135170663
   New Retail Price: 110.25, Used Retail Price: 0.00. This is not a Rental Title. eBook Type: Web. eBook format: BryteWave Format.
2. Understanding Human Differences (Required)
   Author: Koppelman
   6th edition ISBN 9780135196731
   New Retail Price: 148.00, Used Retail Price: 111.00, New Rental Fee: 111.00, Used Rental Fee: 62.16.