Become a master in solving Tridoku. After solving all the puzzles in this book, you will be a Tridoku Pro. You start with easy Tridoku puzzles and you gradually build your way up to extremely difficult Tridoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned!Tridoku Deluxe - Easy to Extreme is a collection of 276 puzzles: 102 easy Tridoku puzzles 102 medium Tridoku puzzles 102 hard Tridoku puzzles 102 extreme Tridoku puzzles 60 extra logic puzzles Tridoku consists of nine large triangles. The numbers 1-9 must be placed into the triangular cells of each large triangle. The numbers 1-9 must also be placed in the three legs of the inner shaded triangle and in the three legs of the outer shaded triangle. No two neighboring cells may contain the same number.I guarantee that every logic puzzle in this Tridoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution.None of the puzzles in this book will appear in any of the other English PuzzleBooks.net books.Tridoku is also known as Triangular Sudoku.