by Kris Musial (Author)
If you've mastered traditional Sudoku, you will love Advanced Sudoku with additional challenges not found anywhere else. Take your Sudoku skills to optimal levels and enter a new dimension with the HELIX puzzle. Enjoy the challenge!
Number of Pages: 176
Dimensions: 0.38 x 9.21 x 6.14 IN
Publication Date: November 27, 2007