{"product_id":"sudoku-iron-man-1-sudoku-iron-man-1-150-fiendishly-difficult-never-before-published-puzzles-9780451223555","title":"Sudoku Iron Man #1: Sudoku Iron Man #1: 150 Fiendishly Difficult, Never-Before-Published Puzzles","description":"\u003cb\u003e150 of the most fiendishly difficult, never-before-published Sudoku puzzles \u003c\/b\u003e \u003cp\u003e\u003c\/p\u003e The brand-new Sudoku puzzle series that puts even the most fervent players' skills to the test. \u003cp\u003e\u003c\/p\u003e There are those who play Sudoku, and there are those who step it up and play \u003ci\u003eSudoku Iron Man\u003c\/i\u003e. Here are 150 never-before-published puzzles-the most challenging around. This book will have enthusiasts hooked, tackling grid after grid. Even the most avid Sudoku addict will be amazed at the intense challenges \u003ci\u003eSudoku Iron Man\u003c\/i\u003e has to offer...\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Berkley \/ Nal\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 11\/06\/2007\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9780451223555\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 208\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.45lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 8.10h x 5.50w x 0.60d","brand":"Puzzler Media","offers":[{"title":"Default Title","offer_id":44413551116469,"sku":"9780451223555","price":20.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/0804\/6492\/files\/img_1f451c16-a087-4eae-a85d-cc3396794c4f.jpg?v=1720537600","url":"https:\/\/pastforward.org\/products\/sudoku-iron-man-1-sudoku-iron-man-1-150-fiendishly-difficult-never-before-published-puzzles-9780451223555","provider":"Past Forward","version":"1.0","type":"link"}