Killer Sudoku Tough 200 Puzzle With Solution Vol 1: Advanced Puzzle Book,9×9, 2 puzzles per page

Killer-Sudoku puzzle booklet200 heavy killer-Sudoku puzzles in grid 9×9 for all, for which normal Sudoku is not enough.In the compact format for on the way, on vacation, at the beach or the pastime with rainy weather at home. At the end of the booklet there is the solution to each puzzle 200 puzzles Two puzzles per page At the end of the book there are solutions to all puzzles