♥ New sudoku puzzle for each day of the year (366 puzzles). ♥ 8.5 x 11 inch Book Layout. ♥ 2 Puzzles per Page. ♥ Date & Difficulty shown on each puzzle. ♥ Solutions for all puzzles at back of the book. ♥ Variety of Levels. MAKES A GREAT For the sudoku puzzle lover, this books makes a great gift for Christmas and new year! Birthday, Halloween, stocking suffers, road trip or more, everyone will love it!