Sudoku Puzzle Book

Book Two of Sudoku Hard Puzzle Book Series by Adam Williams. A Sudoku A Day Exercises The Brain Are you an experienced sudoku solver, then this sudoku series is for you. These fun Sudoku puzzles will sharpen your concentration and keep you entertained all day long! This Book Contains 200 Hard Puzzles divided into 4 Sections. Features: - 200 Hard Sudoku Puzzles - Divided into 4 Sections - Big grids for easy solving - Lots of space for note taking, with only 2 large puzzles per page - Solutions for each section carefully arranged and referenced.