{"product_id":"way-beyond-black-belt-sudokur-frank-longo-9781454933571","title":"Way Beyond Black Belt Sudoku(r)","description":"\u003cb\u003eGo way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen \u003c\/b\u003e \u003cp\u003e\u003c\/p\u003e Calling all sudoku-solving diehards: with every puzzle requiring upper-level strategies, this collection packs even more of a punch than our previous \u003ci\u003eBeyond Black Belt Sudoku\u003c\/i\u003e. Get ready, because you'll encounter common advanced techniques with curious-sounding names like XYZ-Wing, Finned X-Wing, Sashimi X-Wing, Swordfish, Jellyfish, Gordonian Rectangle, and Gordonian Polygon. And you might find some tricky new things here, too, from Grouped X-Cycle and Simple Grid Coloring to 3D Medusa and Bi-Value Universal Grave. The sudoku generally become increasingly difficult as the book goes along, from \"pretty darn hard\" to \"excruciating.\" Are you up for the challenge?\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Frank Longo\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1454933577\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781454933571\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Puzzlewright\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 10\/01\/2019\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 192\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.50lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 8.20h x 5.30w x 0.30d","brand":"Frank Longo","offers":[{"title":"Paperback","offer_id":44049716248831,"sku":"9781454933571","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_48242961-47ec-4bdd-baef-4fb9fed6208d.jpg?v=1685003073","url":"https:\/\/www.whiterainbookhouse.com\/products\/way-beyond-black-belt-sudokur-frank-longo-9781454933571","provider":"WR Book House","version":"1.0","type":"link"}