Hard Sudoku 100 Puzzles: Large Print Volume 1

100 Hard Sudoku Puzzles, fun and easy Sudoku puzzles that are perfect for those that are new to the Sudoku and also those looking for more of a challenge than the "easy" or "medium" puzzles. Top quality puzzles, in LARGE PRINT. Solutions are also provided in case you get stuck. What's included in 100 Hard Sudoku Puzzles?