The 300 Sudoku Very Hard Difficult Challenging Extreme Expert Level Puzzles brain workout large print (The Sudoku Obsession Collection)

300 New Sudoku puzzles from The Puzzle Publishing HouseSudoku is one of the World's most popular games, time and stress can feel like it's melting away by working through these engaging puzzles.300 SudokuVery HardNo mercy editionMany hours of fun and challenge!Great gift for all Sudoku fansLarge print unlike most puzzle books, easy to read and fill out.