Petite Pocket Posh Sudoku 3 and 4features a beautiful, chic, complementary styled cover, making it a smart, sophisticated, and giftable accessory that goes with anything. Packaged in a handy size, Petite Pocket Posh Sudoku 3 and 4fit nicely into a purse, backpack, briefcase, or pocket. It's perfect for puzzlers looking for a quick and engaging puzzle to complete and is a great way to exercise your mind--and look great while doing it!