{"product_id":"twenty-problem-solving-skills-twenty-and-twenty-more-problem-solving-skills-for-mathcounts-competitions","title":"Twenty Problem Solving Skills (Twenty and Twenty More Problem Solving Skills For Mathcounts Competitions)","description":"\u003cp\u003eYour book is fabulous. I spent two hours last night working problems from it. Im planning to use some in what I do with teachers  with citation of course. I love it.  I love the clever problems you came up with and the clever solutions of the MATHCOUNTS problems you used.  Dr. Harold Reiter  former Chairman of Mathcounts Question Written Committee  Math Professor  UNC at Charlotte  Being responsible for the publications we put out at MATHCOUNTS  I understand the incredible amount of work this required. Congratulations on such a great accomplishment. ---Kristen Chandler Mathcounts  Deputy Director \u0026amp; Program Director  I just finished going through with it. As for the book  Im pretty impressed. It really seems you put a lot of time and effort into it  and I liked it. - Calvin Deng 2010 USA IMO Team Member  Silver Medalist  I bought this book together with \"Twenty More Problem Solving Skills\" for my 6th grade daughter  who loves math  and is preparing for AMC and MathCounts competition. She is very excited with these two books  and learns a lot from these two books in her math competition preparation. We recommend this book as a must have math competition collection.  - -A parent\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":44986109100085,"sku":"ByrdShop_1453811559","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/9781453811559.jpg?v=1770887257","url":"https:\/\/atxbooks.com\/products\/twenty-problem-solving-skills-twenty-and-twenty-more-problem-solving-skills-for-mathcounts-competitions","provider":"ATX Books","version":"1.0","type":"link"}