If you're a fan of larger-than-average Sudoku puzzles, or you're looking to take your Sudoku puzzle solving to the next stage, then this is the book for you Printed in large format this book is packed with 100 larger-than-normal 12x12 Sudoku puzzles, each attractively presented in a range of symmetric patterns. Suitable for both beginners and experts alike, the first 50 puzzles all require only basic solving techniques, while puzzles 51 to 100 ramp up the difficulty level a notch. Visit www.SudokuXtra.com for more details.