Sudoku X 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles

Become a master in solving Sudoku X 15x15. After solving all the puzzles in this book, you will be a Sudoku X Pro. You start with easy Sudoku X puzzles and you gradually build your way up to extremely difficult Sudoku X puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned

Sudoku X 15x15 - Easy to Extreme is a collection of 276 puzzles:

54 easy Sudoku X 15x15 puzzles 54 medium Sudoku X 15x15 puzzles 54 hard Sudoku 15x15 X puzzles 54 extreme Sudoku 15x15 X puzzles 60 extra logic puzzles The goal of Sudoku X is to fill in the empty cells, one number in each, so that each column, row, region, and the two main diagonals contain each number exactly once.

I guarantee that every logic puzzle in this Sudoku X puzzle book has been carefully checked to ensure that each puzzle has only 1 solution.

None of the puzzles in this book will appear in any of the other PuzzleBooks.net books.

Sudoku X is also known as Diagonal Sudoku, Kokonotsu, Taikakusen Nanpure and Diagonal Line Number Place.