504 Sudoku Puzzles Medium - Hard: Difficulty Medium - Hard Sudoku Puzzle Books for Adults Including Instructions and Answer Keys
<p><strong>504 SUDOKU Medium and Hard Level</strong></p><p>Enjoy the century’s most addictive puzzle game, This 504 Sudoku puzzles book contains with 2 difficulty there are 252 Medium and 252 Hard, you will fun all day and night keep your brain fit and young forever, Good luck with the game!</p><p><strong>Book Description</strong></p><ul><li>504 puzzles (252 medium, 252 hard)</li><li>6 puzzles per page</li><li>116 pages</li><li>8.5 x 11 inches (21.59cm x 27.94cm)</li><li>Paperback matte cover </li><li>Large print on quality white paper easy to read</li><li>Hours of fun or makes a great gift!</li></ul>