Brain Games To Go Unwind and Solve Sudoku

Enjoy a refreshing puzzle break with Brain Games Unwind and Solve Sudoku! 

• Includes 216 classic sudoku puzzles.
• Puzzles are organized into 5 difficulty levels, from easy to expert.
• Portable size makes it easy to solve sudoku anytime, anywhere.
• Complete answer key in back of the book.
• Spiral bound, 256 pages.