Warning: very DIFFICULT puzzles. Do not attempt if you are not experienced solver of Killer Sudoku. In this volume you will find: 69 Classic Killer Samurai Sudoku puzzles10 ZERO Killer Samurai Sudoku10 Diagonal Killer Samurai Sudokuand 10 NON-CONSECUTIVE Killer Samurai SudokuThere are three levels of difficulty, but be prepared to spend hours on each puzzle. Go get them!