Brain Games - To Go - Sudoku Puzzles - Publications International Ltd - Bog

Take a refreshing break with this compact, portable collection of sudoku puzzles! Includes 216 classic sudoku puzzles. Puzzles are organized into 5 levels of difficulty, from easiest (Level 1) to hardest (Level 5). Complete answer key is found at the back of the book. Spiral bound, 256 pages. Keep your mind fit and focused while having fun!