{"product_id":"nastiest-sudoku-book-ever","title":"Nastiest Sudoku Book Ever","description":"Only diehards need apply! These incredibly difficult sudoku are made to challenge even the most expert solver…and strain their brains to bursting. Each puzzle requires upper-level strategies that have been honed to perfection from regular practice. Designed by powerhouse sudoku creator Frank Longo, theyll have dedicated fans tearing their hair out-and loving every moment.This is a bind-up of books 2, 3, and 4 our four-part Absolutely Nasty sudoku series.","brand":"Union Square \u0026 Co.","offers":[{"title":"Default Title","offer_id":56580768498008,"sku":"9781402780158","price":18.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/1295\/4195\/files\/9781402780158.jpg?v=1769904044","url":"https:\/\/agendabookshop.com\/products\/nastiest-sudoku-book-ever","provider":"Agenda Bookshop","version":"1.0","type":"link"}