Free Preview of David Karn's Big Book of Sudoku - 500 Easy to Expert puzzles for adults, Volume 1: with solutions, 16 pt font size, 6 puzzles per page, 8.5x11" format
David Karn's Big Book of Sudoku - 500 Easy to Expert puzzles for adults, Volume 1: with solutions, 16 pt font size, 6 puzzles per page, 8.5x11" format