Wordoku is Sudoku using words. This is a ultimate puzzle book for puzzle lovers. A Word Sudoku ("Wordoku") puzzle is a logic-based, letter-placement puzzle. The objective is to fill a 9×9 grid with letters in such a way that each column, each row and each of the nine 3×3 grids that make up the larger 9×9 grid contains all of the letters from A to I. Each Sudoku puzzle begins with some cells filled in. This book contains 100 unique puzzles with solutions. There are 2 puzzles per page and is printed on 8.5 x 11 trim on good quality paper and with a quality Matte cover. This is a must have book for any puzzle lover and makes an ideal gift for any occasion.