This book contains a selection of 200 of the hardest and most difficult Sudoku puzzles along with their solutions. These puzzles were selected among 17-clues Sudoku puzzles for their especially challenging nature and will provide hours of enjoyment and ample opportunity to practice the most advanced Sudoku resolution techniques.
Number Of Pages: 134
Published: 21st April 2010
Publisher: Createspace Independent Publishing Platform
Country of Publication: US
Dimensions (cm): 22.9 x 15.2 x 0.8
Weight (kg): 0.2