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

USED (GD) Social Game Design: Monetization Methods and Mechanics by Tim Fields

$46.24
End Date: Tuesday Oct-3-2017 23:05:08 PDT
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Mobile & Social Game Design: Monetization Methods and Mechanics, Second Edition
$84.53
End Date: Sunday Oct-22-2017 14:33:09 PDT
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USED (VG) The Aim of the Game: A Primer On the Use and Design of Gamed Social Si
$31.87
End Date: Friday Oct-6-2017 11:50:19 PDT
Buy It Now for only: $31.87
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