Do you like to use your spare moments indulging in Sudoku? This collection is a real treat for anyone who loves Sudoku. Are you ready to rise to the ultimate brain-training challenge? Packed into a paperback sized book, Sudoku - 200 Classic Puzzles - 4 Levels - Easy to Expert is perfect to carry with you for when you have breaks or unexpected time to fill and is your perfect take-anywhere companion. Working through...