1000 New Sudoku puzzles from The Puzzle Publishing House Sudoku is one of the World's most popular games, time and stress can feel like its melting away by working through these engaging puzzles. 1000 Sudoku Medium to Hard Includes all Solutions Many hours of fun! Great gift for all Sudoku fans Large print unlike most puzzle books, easy to read and fill out. Click on "Buy Now" to get your puzzle book in the post.