Christmas Sudoku Challenge For Grandpa: Can Grandpa Do 50 Hard Puzzles In 50 Days Or Less?

One lovely Christmas Sudoku puzzle challenge exclusively for Grandpa to complete 50 puzzles in 50 days or less... or else. It makes for a unique holiday present.

• • Author: M. Games
• • Publisher: CreateSpace Independent Publishing Platform
• • Publication Date: Nov 14, 2016
• • Number of Pages: 106 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1540395332
• • ISBN-13: 9781540395337