Sir Cumference und der Drache von Pi: Ein Mathe-Abenteuer von Wayne Geehan (Englisch)
15,63 €
By Wayne Geehan, Cindy Neuschwander. Can Radius change him back?. Join Radius on his quest through the castle to solve a riddle that will reveal the cure. Illustrator Wayne Geehan. Partway through the lunch, Sir Cumference grabbed his stomach and doubled over in pain.
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