Sudoku Collection : 200 Medium Killer Sudoku Puzzles 9X9

In Killer Sudoku, sub-regions have specified sums, and no number can be repeated within a region.

• • Author: Alena Gurin
• • Publisher: Independently Published
• • Publication Date: Sep 03, 2019
• • Number of Pages: 122 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 169070537X
• • ISBN-13: 9781690705376