Ready for a number-twisting challenge? Sit & Solve Hard Sudoku is stuffed with Sudoku grids that are much more difficult to solve than you'd think.
Everyone is fanatical about Sudoku, so don't wait any longer to find out why! Sit & Solve Easy Sudoku is the perfect introduction to the art of completing these tricky little puzzles.
If you want easy Sudoku that's also easy to take on the go, Sit & Solve No-Sweat Sudoku is right up your alley.