Pocket Posh Sudoku 6 100 Puzzles Author:The Puzzle Society As convenient as they are stylish and as enjoyable as it is fashionable, the Pocket Posh Sudoku 6 features a cover with a contemporary tactile design and comes in a handy 4" x 6" size, making it a smart, sophisticated accessory that goes with anything. It also fits nicely into a purse or pocket. The Pocket Posh Sudoku 6 puzzle book is great way ... more »to exercise your mind--and look great while doing it!« less