3 Review(s)

Take your place among the finest puzzle warriors by solving these supreme ninja sudoku. In order to reach the upper levels of the assassin ranks, develop your strategic skills on these fun brain bafflers that range from "easy medium" to "hard medium". Although only basic to intermediate techniques are required, they may be used in greater percentages and combinations than at the White Belt stage. Here, we begin to appreciate the increasing complexity of more advanced sudoku, finding ourselves engrossed for hours at a time. Solving the sudoku in this book will be rewarding and give you Green Belt status, ready to move on to the next echelon.