200 Sudoku Hard to Extreme
Enjoy the century's most addictive puzzle game, This 200 Sudoku puzzles book contains with 2 difficulty there are 100 hard and 100 Extreme, you will fun all day and night keep your brain fit and young forever, Good luck with the game
In this Sudoku Hard to Extreme Puzzle book you will find:In this Sudoku Puzzle Books For Adults series, books are also available in the difficulty levels: Easy, Hard and Extreme.