This collection of 100 Sudoku puzzles created for fast and easy solving is perfect for the advanced puzzler wanting a swift puzzle to solve or a beginner looking to tackle a realistic challenge. Pocket Posh Easy Sudoku 4 is our fourth collection of quick and engaging puzzles to complete. With more than 5 million copies in print, the Pocket Posh puzzle series is a great way to exercise your mind--and look great while doing it! A free trial subscription to The Puzzle Society adds extra value.