{"product_id":"skill-builder-sudoku-hard-to-expert-peter-gordon-puzzlewright-press-9781454958888a","title":"Skill Builder Sudoku: Hard to Expert - Peter Gordon - Puzzlewright Press","description":"\u003ch1\u003eSkill Builder Sudoku: Hard to Expert - Peter Gordon - Puzzlewright Press\u003c\/h1\u003e \u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\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\u003cbr\u003e\u003cb\u003eProduct Specs:\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eEAN\/ISBN\u003c\/b\u003e: 9781454958888\u003cbr\u003e\u003cbr\u003e\u003cb\u003eContributor\u003c\/b\u003e: Peter Gordon\u003cbr\u003e\u003cbr\u003e\u003cb\u003eHarmonized Code\u003c\/b\u003e: 4901.99.0075\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePublish Date\u003c\/b\u003e: 02\/03\/2026\u003cbr\u003e\u003cbr\u003e","brand":"PUZZLEWRIGHT PRESS","offers":[{"title":"Default Title","offer_id":42760518074450,"sku":"ING.145495888X","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1512\/9894\/files\/content_id_9MD_0AEACAAJ_printsec_frontcover_img_1_zoom_1_source_gbs_api.jpg?v=1790453252","url":"https:\/\/gameroomplaza.com\/products\/skill-builder-sudoku-hard-to-expert-peter-gordon-puzzlewright-press-9781454958888a","provider":"GameRoomPlaza","version":"1.0","type":"link"}