"A piano hinge is a long, narrow hinge that runs the full length of the joint - like on the top of a grand piano - so that one piece flaps on top of or under the other piece. This mechanism can be simulated by folding a piece of paper, so you can test and experiment with piano-hinged dissections without needing special materials: just paper and scissors - and some intuition and creativity! The author provides over 150 dissections and outlines methods for discovering them. The videos on the CD provide demonstrations for creating your own dissections."--BOOK JACKET.
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