600 Sudoku Puzzles Easy to Very Hard Do you love sudoku puzzles? Are you looking for a new challenge that will test your logic and brainpower? If so, you need this book! 600 Sudoku Puzzles Easy to Very Hard is collection of sudoku puzzles for beginners, intermediate, and expert solvers. Whether you want to relax, sharpen your mind, or have some fun, this book has something for you. Inside this book, you will find: 600 sudoku puzzles of varying difficulty, from easy to very hard.A clear and elegant layout with 6 puzzles per page.A complete answer key at the back of the book for easy reference and checking.This book is perfect for anyone who loves sudoku puzzles, whether you are a novice or a master. You can enjoy it at home, on the go, or anywhere you want. It will keep you entertained for hours and challenge your brain in new ways.