bWhether you are new to sudoku or craving a fresh challenge, this sudoku book will give your brain a healthy workout.b brThis puzzle-packed sudoku collection features ulliMore than 300 sudoku puzzles.lilib5 levels of difficultyb - from beginner to mind-benders.liliSudoku grids that are blarge, easy to read, and fill out.bliliAn answer key for those puzzles that leave you stumped.liliSpiral-binding for ease of use.lili192 pages.liul brNew to Sudoku The book's introduction offers helpful tips and techniques for solving the puzzles, starting with the process of elimination. As you work through the sudoku puzzles, you will uncover your own techniques for solving them. Although they are number puzzles, they do not require math skills. The objective is to place the numbers 1 through 9 only once in each horizontal row of squares, each vertical column of squares, and each 3x3 square box in the 9x9 grid. The puzzles have some numbers filled in, and you work out the rest. You never have to guess