Brain Games - To Go - Stress Free: Sudoku Puzzles

Boost your brainpower with these fun and engaging sudoku puzzles! More than 210 sudoku puzzles for a stress-free challenge to spend your time. Puzzles help you relax and focus, as well as maintain good mental fitness. Sudoku is perfect for those who love a logic challenge! Sudoku grids are large, easy to read, and simple to fill out. Answer key in the back of the book.