Big Book Sudoku X - 500 Hard Puzzles 9x9 (Volume 4)

Sudoku X also called Diagonal Sudoku. Each puzzle consists of a 9x9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column, diagonal and 3x3 box. The puzzle books series contain: * 500 Hard Puzzles * Handy 6 x 9 inch Book Layout * 6 Puzzles per Page * Ideal for Experts The book is for those who like logic and math problems. Decide, developing and improving.

• • Author: Dart Veider
• • Publisher: CreateSpace Independent Publishing Platform
• • Publication Date: Sep 22, 2018
• • Number of Pages: 128 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1727484568
• • ISBN-13: 9781727484564