by Frank Longo (Author)
With a separate sudoku book for every level, this work helps puzzle lovers play this popular game. Taking a page from karate - another Japanese art, each title is graded by colour: White Belt for easy, Green Belt for medium level, Brown Belt for hard, and Black Belt for the super-tough solvers. Each book includes 300 puzzles.
Number of Pages: 192
Dimensions: 0.57 x 8.53 x 5.08 IN
Publication Date: November 01, 2005