Difficult Sudoku

If you are looking for HARD TO EXTREMELY HARD SUDOKU PUZZLES, this book is going to be something you LOVE! There Are Two Large Print Puzzles Per Page For Easier Solving. Inside you will find: 120 Hard Sudoku puzzles 120 Very Hard Sudoku puzzles 120 Extremely Hard Sudoku puzzles Solutions to puzzles Included at the back of the book. Perfect gift for anyone who loves Hard Sudoku! If you are looking for more Sudoku and other puzzles, see our PuzzleProof author page for more amazing Sudoku for all skill levels.