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  (3 items found)
Title Author / Artist Prod Type ISBN/ISBN-13
or UPC		 Pub
Date		 Price
Games as a Service: How Free to Play Design Can Make Better GamesClark, OscarPaperback0415732506 /
9780415732505		02/2014$59.80
Psychology of Game DesignClark, OscarPaperback1138627925 /
9781138627925		01/2026$90.24
Psychology of Game DesignClark, OscarHardcover1138627941 /
9781138627949		01/2026$142.45
  (3 items found)