{"product_id":"9781480191198","title":"Sudoku Xtra 21: The Logic Puzzle Brain Workout","description":"Sudoku Xtra 21 is packed full of 144 top-quality logic puzzles covering a wide range of types. There is a particular emphasis on Sudoku and new varieties appearing for the first time in this volume include \u003cb\u003eQuad-Max Sudoku, Anti-Knight Sudoku, Slashed Sudoku, Minus Little Killer, Product Frame Sudoku, Headless Worm Sudoku, Extra Region Windmill Sudoku, Non-Consecutive Diagonal Sudoku, Mystery Calcudoku Zero\u003c\/b\u003e and a giant \u003cb\u003eTrio 13-grid Samurai Sudoku\u003c\/b\u003e. \u003cp\u003eThe very first page features a large \u003cb\u003eArrow Samurai Sudoku\u003c\/b\u003e, and other returning variants that were recently introduced to the series include \u003cb\u003eWorm Sudoku, Quad Clue Sudoku, Offset Sudoku, Sudoku XV\u003c\/b\u003e and \u003cb\u003eKropki Sudoku\u003c\/b\u003e.\u003c\/p\u003e\u003cp\u003eNot only that, but there's \u003cb\u003eHanjie, Futoshiki, Hashi, Yajilin, Calcudoku, Dominoes, Hitori, Slitherlink\u003c\/b\u003e and many more logic puzzles.\u003c\/p\u003e\u003cp\u003ePrinted on top-quality, 8.5x11 inch paper ideal for solving on, Sudoku Xtra is the ultimate logic puzzle compendium.\u003c\/p\u003e","brand":"CreateSpace Publishing","offers":[{"title":"Default Title","offer_id":47048541700336,"sku":"9781480191198","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781480191198_p0.jpg?v=1763618809","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781480191198","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}