{"product_id":"genius-level-sudoku-over-300-super-difficult-puzzles-from-the-japanese-masters-who-invented-the-game-9781523508129","title":"Genius-Level Sudoku: Over 300 Super-Difficult Puzzles from the Japanese Masters Who Invented the Game","description":"\u003cb\u003eExtra tricky. Extra tough.\u003c\/b\u003e \u003cp\u003e\u003c\/p\u003e It's the sudoku collection that's not for the faint of heart. If you're craving the challenge, sharpen your pencil and pit your wits against the Japanese puzzle-makers at the top of their game. In each of these more than 300 handcrafted puzzles, ranked by difficulty from expert to x-treme to ultimate, every move is an adventure, a one-on-one challenge with a grandmaster who delights in elegance, symmetry, and building in the occasional roadblock. But keep going. You'll solve it eventually... you genius  \u003cp\u003e\u003c\/p\u003e\u003cb\u003eCan't get enough? Look for: \u003c\/b\u003e\u003cul\u003e\n\u003cli\u003e\u003ci\u003eThe Original Sudoku\u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eThe Original Sudoku Book 2\u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eMore Original Sudoku \u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eX-treme Sudoku\u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eExpert Sudoku \u003c\/i\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ci\u003eThe Original Sudoku Page-a-Day Calendar \u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAbout the Author\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e\u003ci\u003eNikoli Publishing:\u003c\/i\u003e\u003c\/b\u003e - \u003cb\u003eNikoli\u003c\/b\u003e is the Japanese puzzle and game company that's been nurturing and developing sudoku for over thirty-five years. They hold the trademark on sudoku in Japan, and supply 100 percent of the puzzles published in Japanese newspapers and magazines. \u003cbr\u003e","brand":"Workman Publishing","offers":[{"title":"Default Title","offer_id":50597960057106,"sku":"9781523508129","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_f5f4c49d-9407-4cf5-8dfa-57b056d6432d.jpg?v=1732180851","url":"https:\/\/surprise-castle.myshopify.com\/products\/genius-level-sudoku-over-300-super-difficult-puzzles-from-the-japanese-masters-who-invented-the-game-9781523508129","provider":"Surprise Castle","version":"1.0","type":"link"}