Killer Sudoku

Put your feet up and enjoy nearly 200 puzzles

Continuing the popular Overworked & Underpuzzled series, Killer Sudoku contains almost 200 tricky puzzles requiring a certain amount of logic and skill to solve. Killer Sudoku is often seen as the most challenging Sudoku, and so this is the perfect puzzle book for anyone who loves to be tested during their coffee break.

Continuing the popular Overworked & Underpuzzled series, Killer Sudoku contains almost 200 tricky puzzles requiring a certain amount of logic and skill to solve. Killer Sudoku is often seen as the most challenging Sudoku, and so this is the perfect puzzle book for anyone who loves to be tested during their coffee break.

With nearly 200 puzzles, this is a tricky collection perfect for anyone who works too hard and likes to reset their mental faculties with a classic logic test.

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.