by Puzzle Proof (Author)

HARD, VERY HARD AND EXTREME SUDOKU PUZZLES INSIDE If love challenge, this book is FOR YOU
Puzzles are LARGE print for easier solving. Large print doesn't mean it's easy, these puzzles will keep you solving for hours

Inside you will find:

60 Hard Sudoku puzzles

60 Very Hard Sudoku puzzles

60 Extremely Hard Sudoku puzzles

There are two sudoku puzzles on each page, Solutions to puzzles are INCLUDED.

Perfect gift for anyone who loves challenging Sudoku

If you are looking for more Sudoku and other puzzles, see our PuzzleProof author page for more amazing Sudoku for all skill levels.