Sudoku Volume 4: 100 Medium to Hard Level Sudoku Puzzle Game Book For Adults Beginner to Expert - Paperback

by Allen Weber (Author)

Get ready for a good challenge and hours of addictive fun with these expertly designed classic puzzles.

• This collection is suitable for all level players from beginners to expert.
  
• Give one to your friend, family member, co-worker or favorite teacher a great gift for any occasion. Challenge each other to see who can solve the fastest
• Compact size is convenient to take with you on the go. Pack one in your travel bag or give your brain a good warm up exercise on your morning commute.