Sudokus are the ever popular number placements puzzles that give your brain a workout. Spanning across a number of difficulties, this stylish collection is sure to keep you entertained for hours.
Here's a real treat for all fans of the number-placement puzzle sudoku: a collection of more than 500 grids arranged by level of difficulty. Sudokus are fun and satisfying to solve, and give our brains a good workout too. This elegantly designed collection will satisfy even...