So you would like to learn about the simple puzzle known as Sudoku. This book is part of a Series to offer Standard 9x9 Grid Sudoku puzzles by increasing difficulty. Included, 500 EASY puzzles with Solutions. The difficulty rating for these puzzles ranges from 1.0-1.9 (Source: Sudokusnake.com - Author has no affiliation). The audiences would be those new to Sudoku, young to senior, & teachers (especially 4th/5th grade). The format for the puzzles...