{"product_id":"way-beyond-black-belt-sudoku®","title":"Way Beyond Black Belt Sudoku®","description":"\u003cp\u003e\u003cstrong\u003eBy:\u003c\/strong\u003e Frank Longo\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePublished by Sterling Publishing Company, Incorporated, 2019-10\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eGo way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen!\u003c\/b\u003e\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\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?\u003c\/p\u003e","brand":"Phoenix Books","offers":[{"title":"Default Title","offer_id":47137663942825,"sku":"PHBK-9781454933571","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/9899\/1785\/files\/28073763482705.jpg?v=1780333405","url":"https:\/\/myti.com\/products\/way-beyond-black-belt-sudoku%c2%ae","provider":"Myti","version":"1.0","type":"link"}