3920956
9781570911668
When Sir Cumference drinks a potion which turns him into a dragon, his son Radius searches for the magic number known as pi which will restore him to his former shape.Neuschwander, Cindy is the author of 'Sir Cumference and the Dragon of Pi A Math Adventure', published 1999 under ISBN 9781570911668 and ISBN 1570911665.
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