The Guardian Killer Sudoku 1

A collection of more than 200 challenging puzzles

200 difficult previously unpublished killer Sudoku puzzles.

The Guardian's killer Sudoku puzzles are enjoyed by hundreds of thousands of people every day. Now is your chance to try to solve 200 difficult previously unpublished killer Sudoku in the first book in the new Guardian puzzle book series.

With only a minimal level of mathematical knowledge needed, but variety of difficulty levels, from easy to fiendish, this book can be enjoyed by both the killer Sudoku novice and the puzzle master with years of solving experience.

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.