{"product_id":"9781402799457","title":"Puzzlewright Guide to Solving Sudoku: Hundreds of Puzzles Plus Techniques to Help You Crack Them All","description":"Sudoku designers the world over will weep and gnash their teeth at the revelations in this comprehensive guide to cracking the addictive puzzles--but solvers will find it absolutely invaluable as they seek to improve their skills. Even experts don't know all these tricks: hidden pairs, naked pairs, X-wings, jellyfish, squirmbag, bivalue and bilocation graphs, and chains, plus the exclusive Gordonian logic methods that turn the toughest puzzles into a breeze. There are hundreds of sudoku to practice on. A special addition is a reprint of the very first sudoku ever published!\u003cbr\u003e \u003cp\u003e\u003c\/p\u003e","brand":"Puzzlewright","offers":[{"title":"Default Title","offer_id":47040782631152,"sku":"9781402799457","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781402799457_p0.jpg?v=1769895221","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781402799457","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}