Dad's Birthday Sudoku Challenge: Can Dad Complete 50 Hard Puzzles In 50 Days? Hmm...

A happy challenge for dad on his birthday. He must complete 50 hard Sudoku puzzles in 50 days or less or else.

• • Author: M. Games
• • Publisher: CreateSpace Independent Publishing Platform
• • Publication Date: Sep 14, 2016
• • Number of Pages: 110 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1537651005
• • ISBN-13: 9781537651002