Sudoku Puzzle Book

Book Three of Sudoku Puzzle Book Series by Adam Williams. A Sudoku A Day Exercises The Brain Whether you are a beginner or an experienced sudoku solver, these fun Sudoku puzzles will sharpen your concentration and keep you entertained all day long! This Book Contains 50 Easy, 50 Medium, 50 Hard and 50 Very Hard Sudoku Puzzles with answers, for each difficulty level Puzzles. Features: - 200 Sudoku Puzzles - 4 levels of difficulty (Easy, Medium, Hard and Very Hard) - Big grids for easy solving - Lots of space for note taking, with only 2 large puzzles per page - Solutions for each difficulty level carefully arranged and referenced