Hone your logical reasoning skills with 100 original Sudoku puzzles. Collect all 30 titles in the Pocket Posh Sudoku series! The Pocket Posh Sudoku puzzle collection now offers thirty different looks and unique Sudoku collections with the publication of Pocket Posh Sudoku 30. Pocket Posh Sudoku 30 presents 100 fun and challenging Sudoku puzzles in three levels of difficulty and is perfect for puzzlers on the go. This portable package is part of a best-selling series featuring highly stylised, embellished covers and boasting 7 million copies in print. A free trial subscription to The Puzzle Society adds extra value.