300 SUDOKU Hard difficulty Fun Puzzles to Boost Your Brain Power Perfect Gift for your kids, mom, dad, senior, friends and family This Book Contains: 300 Hard Level SUDOKU Puzzles with solution 6 SUDOKU Puzzles per page - Full of Fun and enjoy playing 6 Solutions per page at the end of book Premium matte cover design Large Printed on high quality Paper Perfectly Large sized at 8.5" x 11" Paperback. 300 SUDOKU Hard difficulty Fun Puzzles to Boost Your Brain Power Perfect Gift for your kids, mom, dad, senior, friends and family This Book Contains: 300 Hard Level SUDOKU Puzzles with solution 6 SUDOKU Puzzles per page - Full of Fun and enjoy playing 6 Solutions per page at the end of book Premium matte cover design Large Printed on high quality Paper Perfectly Large sized at 8.5" x 11" Paperback