{"product_id":"2639692","title":"Second-Degree Brown Belt Sudoku®","description":"Challenge your mind and elevate your puzzle-solving skills with this expertly crafted collection of Sudoku puzzles by renowned author Frank Longo. This edition, part of the Martial Arts Puzzles Series, is designed for those who have mastered intermediate Sudoku and are ready to advance to more complex challenges. Each puzzle in this collection is meticulously designed to test your logic and strategy, providing hours of engaging entertainment. Perfect for Sudoku enthusiasts eager to push their abilities to the next level, this book promises to deliver a rewarding and satisfying solving experience.","brand":"Chalkys.com","offers":[{"title":"Default Title","offer_id":54592613089665,"sku":"2639692","price":9.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0056\/8043\/1219\/files\/51eocL6KSpS.jpg?v=1754451575","url":"https:\/\/chalkys.com\/products\/2639692","provider":"Chalkys.com","version":"1.0","type":"link"}