Even More Extreme Sudoku: Even More of the Toughest Sudoku Puzzles Known to Man., Paperback

"Even More Extreme Sudoku" which is the third volume in the "Extreme Sudoku" series, contains 200 new puzzles of the same extremely high difficulty level for which the series has now come to be known and which has provided so many hours of pleasure to the die-hard Sudoku experts in search of the ultimate Sudoku challenges.