Perfect for coffee breaks, commutes or relaxing at home, this bumper collection of 300 brand new ultimate killer sudoku puzzles is guaranteed to provide you wit

Just when you thought it was safe to pick up a pencil Killer Su Doku is based on the original Su Doku grid, with the same rules and numbers—1 to 9—but with

Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettl

Challenge yourself at home with word and number puzzles The newest volume in the hugely popular Killer Su Doku series from the puzzles suppliers to the Times, f

Millions of Americans have already acclaimed sudoku as the most addictive, enjoyable puzzle since the Rubik's Cube. So don't wait: Pick up a pencil and solve aw