1. Earth: Portrait of a Planet LL(w/registration code (Choice)
   Author: Marshak
   7th edition ISBN 9780393882759
   New Retail Price: 165.75, Used Retail Price: 124.50. This is not a Rental Title.
2. Earth, Portrait of a Planet, Seventh Edition with (Choice)
   Author: Marshak
   7th edition ISBN 9780393883077
   New Retail Price: 102.25, Used Retail Price: 0.00. This is not a Rental Title. eBook Type: Web. eBook format: Kortext Format.
3. Earth: Portrait Of A Planet (w/Access code, Smartw (Choice)
   Author: Marshak
   7th edition ISBN 9780393882742
   New Retail Price: 207.00, Used Retail Price: 155.25. This is not a Rental Title.