800 Medium Sudoku Puzzles To Keep Your Brain Active For Hours: Active Brain Series Book in Bloomington, MN

Active Brain Series bumper book of 800 medium difficulty Sudoku puzzles with solutions. Sudoku is a fun way to exercise your brain and there are plenty of puzzles in this book to give it a really good workout! The book is 8.5" by 11" and has 4 puzzles per page.