Packaged in a handy size, Pocket Posh (r) London Sudoku fits nicely into a purse or bag. Pocket Posh (r) London Sudoku contains 100 addictive Sudoku puzzles interspersed with fascinating facts about London & is perfect for puzzlers looking for a quick & engaging puzzle to complete. With more than 3 million copies in print, the Pocket Posh (r) puzzle series is a great way to exercise your mind-and look great while doing it!