If you already like the classic 9x9 Sudoku you will love the 16x16 Sudoku: 16x16 Sudoku puzzles work in the same way as the classic version only that you have 16 numbers instead of 9!

The Sudoku 16 x 16 puzzle book is the perfect gift for adults who love brain jogging and mental exercises.

The puzzles in the "Medium" version are ideal for those that want a more challenging set of puzzles than the "Easy" version has to offer.

Each puzzle has a unique solution that can be completed using simple logic.

Once you pick up this book, you won't be able to put it back down. You have been warned!

Only 1 large print puzzle per page, with lots of white space for scribbling. Buy now!