Sudoku took the world by storm. Then came variants and other logic number placement puzzles, the best of which is undoubtedly Killer Sudoku, the number placement puzzle with an added dimension.
Starting with a complete walk-through telling you how to complete Killer Sudoku puzzles, 'Puzzle Killer Sudoku' gives you 130 top-quality puzzles of three distinct difficulty levels. The easy puzzles will get you going, the medium ones will prove a bit more of a challenge, and the hard ones will have you puzzling hard!
To solve Killer Sudoku, you not only have to place the numbers 1 to 9 once in each line, column and box, you have to make sure the numbers inside the shapes add up too. Killer Sudoku gives an already great puzzle a new set of clues for the seasoned Sudoku solver, and offers an original challenge for any serious puzzle fan.
