Volume 2, with even more Sudoku variants than the first one 75 Sudoku Variations, two of each kind, making 150 puzzles, plus a very special gift at the end.
Where should I start? First, there are some novelties which were not there in the previous volume, namely: Multi Sudoku, also known as Loco Sudoku, something really CRAZY and Frame Sudoku, which is something between Killer Sudoku and Outside Sudoku Then, there are all sorts of Sudoku variants.
Volume 2, with even more Sudoku variants than the first one 75 Sudoku Variations, two of each kind, making 150 puzzles, plus a very special gift at the end