This book conains 1000 puzzles sudoku book. All of the puzzles inside the book are 9x9 grid. Sudoku rules are easy. Each number 1,2,3,4,5,6,7,8 and 9 must appear only once in each row, column, and region. Complete this puzzle so that every row across, every column down and every region contains the numbers 1 to 9.Each row and each column have only one and exactly one of each of the numbers 1,2,3,4,5,6,7,8,9Features: 1000 Sudoku Puzzles Books for adults Sudoku puzzles grid size in the book are 9x9 that are played with nine number 1,2,3,4,5,6,7,8,9 An answer key for each sudoku puzzle Puzzles are printed on high quality white paper, paper size 8,5 x 11 inchesChoose your book today by clicking on the BUY NOW button at the top of this page.