Sudoku 1200 Extra Hard Puzzles: Keep Your Brain Active For Hours in Bloomington, MN

Active Brain Series giant book of 1200 easy Sudoku puzzles with solutions, perfect for advanced players. With only one level of difficulty there are no wasted puzzles.
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 with room for notes.