{"product_id":"skill-builder-sudoku-hard-to-expert-paperback","title":"Skill Builder Sudoku: Hard to Expert - Paperback","description":"\u003cdiv\u003e\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/reportcopyrightinfringement.com\/\" target=\"_blank\" rel=\"nofollow\"\u003e\u003cb\u003eReport copyright infringement\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp\u003eby \u003cb\u003ePeter Gordon\u003c\/b\u003e (Author), \u003cb\u003eFrank Longo\u003c\/b\u003e (Author)\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBuild up your sudoku skills from easy to expert!\u003c\/b\u003e \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e In 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.\u003ch3\u003eAuthor Biography\u003c\/h3\u003e\u003cp\u003e\u003cb\u003eFrank Longo\u003c\/b\u003e creates, fact-checks, and edits crossword puzzles, and also specializes in sudoku, having published more than 150 sudoku books. His books have sold more than 5 million copies. His wide array of titles encompasses both standard and variety sudoku puzzles, and includes \u003ci\u003ePause for Puzzles: Sudoku for Midfulness, Sip \u0026amp; Solve Simple Sudoku, The Peaceful Mind Book of Sudoku, Blockbuster Book of Sudoku, Beyond Black Belt Sudoku\u003c\/i\u003e, and \u003ci\u003ePuzzlewright Guide to Solving Sudoku\u003c\/i\u003e (with Peter Gordon). \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cb\u003ePeter Gordon\u003c\/b\u003e has written and edited more than 50 puzzle books, with combined sales of over a million copies. From 2002 to 2008, Gordon was the crossword editor for the \u003ci\u003eNew York Sun\u003c\/i\u003e. He has written more than 120 \u003ci\u003eNew York Times\u003c\/i\u003e crosswords.\n            \u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 160\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.43 x 9.17 x 6.28 IN\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e February 03, 2026\u003c\/div\u003e\n            ","brand":"BooksCloud","offers":[{"title":"Default Title","offer_id":47412100923641,"sku":"9781454958888","price":12.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/2782\/3097\/files\/wrjm18kBgw9781454958888.webp?v=1770836736","url":"https:\/\/bookscloud.io\/products\/skill-builder-sudoku-hard-to-expert-paperback","provider":"BooksCloud Book Dropshipping","version":"1.0","type":"link"}