A Sudoku puzzle variation called Samurai Sudoku consists of 5 overlapping Sudoku sub-puzzles.
Samurai puzzles provide five times the challenge, fun and satisfaction.
These puzzles come directly from the creator of The Washington Post\'s Samurai Sudoku puzzles.
In this book you get: + 80 Samurai Sudoku puzzles + 20 Samurai Sudoku "X" puzzles (diagonal-sudoku) + 1 BONUS Killer Samurai Sudoku puzzle Difficulties range from EASY to INSANE.
A Sudoku puzzle variation called Samurai Sudoku consists of 5 overlapping Sudoku sub-puzzles