Book of Spells is a game for a new Sony accessory called “Wonderbook,” which is an augmented-reality book that works with the PlayStation Move controller to show animated sequences that appear to be in the room with you. The game is one of a very few properties to feature new writing in the Harry Potter universe by Rowling.
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http://www.wired.com/gamelife/2012/06/sony-e3-2012-live-blog/