{"product_id":"skill-builder-sudoku-hard-to-expert","title":"Skill Builder Sudoku: Hard to Expert","description":"\u003cp\u003e\u003cb\u003eBuild up your sudoku skills from easy to expert!\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eIn this three-book series, each book helps solvers build their skills to get from one level to the next. Puzzles in \u003ci\u003eHard to Expert\u003c\/i\u003e are the most challenging and will build on the skills learned in the second book, \u003ci\u003eMedium to Hard\u003c\/i\u003e. Each new technique (such as swordfish and grid coloring) is introduced gradually, giving solvers time to fully master each skill as they progress to complete sudoku mastery.\u003c\/p\u003e","brand":"Union Square \u0026 Co.","offers":[{"title":"Default Title","offer_id":57256767947096,"sku":"9781454958888","price":16.99,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/agendabookshop.com\/products\/skill-builder-sudoku-hard-to-expert","provider":"Agenda Bookshop","version":"1.0","type":"link"}