Description
Gluttons for punishment rejoice! The popular series of ultra-hard sudoku is back.
Just when it seemed safe to go back into the puzzle section of the bookstore … here comes another collection of the hardest sudoku known to humankind.
The newest four volumes of this bestselling series range from Level 1 to Level 4, increasing in difficulty as they go. In Level 1, solvers will encounter 242 puzzles difficult enough to make them say, “Wait … this is the easiest level?”
After the book is complete, three more levels await those who are daring enough to continue!
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