Genius-Level Sudoku

Over 300 Super-Difficult Puzzles from the Japanese Masters Who Invented the Game
Our hardest-yet Sudoku collection, handcrafted by the puzzle masters at Nikoli in Japan (whose Workman Sudoku books have 1.3 million copies in print combined).
Extra tricky. Extra tough. 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!Can't get enough? Look for: ·The Original Sudoku ·The Original Sudoku Book 2 ·More Original Sudoku ·X-treme Sudoku ·Expert Sudoku ·The Original Sudoku Page-a-Day Calendar

UK Delivery:

• Free delivery on all orders of £10 or more.
• £1.49 delivery fee on orders below £10.
• UK orders are shipped via Royal Mail 2nd Class.

International Delivery:

• Flat rate delivery charges vary by country.

Dispatch and Delivery Times:

• All orders are shipped from our warehouse in Northampton, UK within 48 hours of receipt during working hours.
• UK mainland orders typically arrive within 3-5 working days via Royal Mail 2nd Class.
• International estimated delivery times:
• Europe & Channel Islands: 7 to 10 working days
• USA: 7 to 15 working days
• Rest of the World: 9 to 21 working days

View our full delivery infomation here.