social game design eBay auctions you should keep an eye on:

Social Game Design: Monetization Methods and Mechanics-ExLibrary

$6.99
End Date: Wednesday Jul-5-2017 13:28:28 PDT
Buy It Now for only: $6.99
Buy It Now | Add to watch list

Social Game Design: Monetization Methods and Mecha
$6.94
End Date: Friday Jun-30-2017 18:44:23 PDT
Buy It Now for only: $6.94
Buy It Now | Add to watch list