Outside Sudoku and its variants (Outside Sudoku Puzzle Books)
Welcome to <b>volume 2</b> of the Outside Sudoku series of books! First volume has received only positive feedback and this is a natural follow up. <br><br> In this Sudoku variant the clues are outside the grid - you must fill in all 81 cells! In addition to classic Outside Sudoku, you will also be challenged by the variants of this variant: <ul> <li>outside jigsaw sudoku</li> <li>outside diagonal sudoku</li> <li>outside odd-even sudoku</li> <li>outside consecutive sudoku</li> <li>outside non-consecutive sudoku</li> <li>outside hyper sudoku</li> <li>outside twodoku</li> </ul> <br> ENJOY and remember: <b>THINK OUTSIDE THE BOX!</b>