Do you love to solve difficult Sudoku X 15x15 puzzles? Then you should solve the Sudoku X puzzles in this book. You get to solve extremely difficult Sudoku X puzzles. You do not need to wade through tons of easy Sudoku X puzzles before getting to the real brain teasers. Once you pick up this book, you won't be able to put it back down. You have been warned!
Sudoku X 15x15 - Hard to Extreme is a collection of 276 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 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 English PuzzleBooks.net books.
Sudoku X is also known as Diagonal Sudoku, Kokonotsu, Taikakusen Nanpure and Diagonal Line Number Place.
Puzzle series: Sudoku X
No. puzzles: 276
Difficulty levels: Hard, Extreme
Large Print: yes
Translations: German, Spanish, French, Italian, Portuguese
Publication date: November 23, 2014
Author: Nick Snels
Dimensions: 8.5 x 11 inches
Cover: HQ cover image