{"product_id":"sir-cumference-and-the-sword-in-the-cone-9781570916014","title":"Sir Cumference and the Sword in the Cone","description":"A funny and pun-filled retelling of \"The Sword and Stone\" that introduces readers to mathematical angles. \u003cp\u003e\u003c\/p\u003eKing Arthur has hidden his sword, Edgecalibur and issued a challenge to the knights. The first knight to find the sword will be the next king. Can Sir Cumference and Lady Di point Radius's best friend, Vertex in the right direction? Will Vertex's sharp thinking give him the edge? \u003cp\u003e\u003c\/p\u003eJoin Sir Cumference, Lady Di of Ameter, and their son, Radius, in this new adventure where they race to help Vertex find the sword and discover the secrets of cubes, pyramids, cylinders, and cones.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAbout the Author\u003c\/b\u003e\u003cbr\u003eCindy Neuschwander is an elementary school teacher who loves teaching math. She also enjoys traveling, reading, and writing stories. She thought up Sir Cumference while visiting medieval castles in England. Cindy lives in Pleasanton, California.\u003cbr\u003e","brand":"Charlesbridge Publishing","offers":[{"title":"Default Title","offer_id":50492914041106,"sku":"9781570916014","price":6.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_1b614c1d-9edf-404d-9b46-0fb81dd351d3.jpg?v=1730614355","url":"https:\/\/surprise-castle.myshopify.com\/products\/sir-cumference-and-the-sword-in-the-cone-9781570916014","provider":"Surprise Castle","version":"1.0","type":"link"}