Are You Searching For Extremely Hard Sudoku? Then You Will Love This Book!
Inside You Will Find 350 Extreme Sudoku Puzzles!Puzzles Are Printed On A White Paper, Two Sudoku puzzles per page.
You will find solutions at the back of the book.
If you love Very Hard Sudoku, You will enjoy solving these Puzzles!
Check out our PuzzleProof author page for more Sudoku Puzzle books for various difficulty levels.