The third book in a series of difficult sudoku puzzles, this volume features 200 of the most devious puzzles ever created! Features: . 200 mind-melting puzzles! . Edited by legendary "New York Times" crossword editor Will Shortz . Portable and affordable package"[...]
Only the bravest sudoku solvers should take on this collection of all-new deviously difficult puzzles. This is the perfect collection to put your solving skills to the test! Features: 200 hard puzzlesBig grids for easy solvingIntroduction by "New York Times" crossword editor Will Shortz[...]