Will Shortz Presents Trickiest Sudoku: 200 Very Hard Puzzles
Can you handle it? These puzzles are going to throw you for a loop! Includes: -200 very hard sudoku puzzles-Perfect portable size-Edited by puzzlemaster Will Shortz More »
Can you handle it? These puzzles are going to throw you for a loop! Includes: -200 very hard sudoku puzzles-Perfect portable size-Edited by puzzlemaster Will Shortz More »