product description
Flex your brain's muscles with challenging puzzles found in Genius-Level Sudoku by Nikoli Publishing. You might think you know something about Sudoku, but you've never seen it quite like this. This collection of difficult puzzles will test your mettle as a Sudoku warrior. When you have some downtime or need to pass the hours, sharpen your favorite pencil to get lost in a Sudoku buffet. Don't forget the eraser! You're definitely going to need it.