Killer Sudoku: 600 Sudoku challenging puzzles (easy to hard): Puzzle Book, 11.00" x 8.50" - Paperback

by Linsday McKay (Author)

Killer puzzles uses the same grid as Sudoku and require the reader to fill in the numbers 1 to 9 as before. But this time the numbers in the outlined boxes must also all add up to a specific number.

Already hugely popular in the national press, the puzzles are a must for Sudoku fans. With three difficulty ratings, from easy to hard, the 600 brand new Killer Sudoku puzzles in this book will provide a challenge to the most Sudoku addicted.

Challenge yourself today!