Relaxing Sudoku Puzzle Book 1000+ Easy, Medium & Hard: Chill and Unwind with these Fun Puzzles, Peaceful and Mindful Brain Games, Logic Puzzlers, 9 Puzzles Per Page This Relaxing Sudoku Puzzle Book features: 330 easy puzzles330 medium puzzles342 hard puzzles8.5" x 11"White-colored paper182 pagesStylish matte coverTake time out and unwind with this relaxing sudoku puzzle book. Solving sudoku puzzles is a great way to both relax and improve your brain power. There are 3 levels of difficulty so the whole family, from kids to grandparents, can enjoy it.