Original Sudoku Page-A-Day® Calendar 2026THE BEST SUDOKU: Every puzzle in this calendar is created by Nikoli the best Sudoku makers in the world-not a computer-to balance toughness and solvability and keep you hooked.TRAIN YOUR BRAIN: The week begins with the easiest puzzles and the difficulty increases day by day. Just in case you need them solutions are printed on the back of the pages.NOW PLASTIC-FREE!: Page-A-Day® Calendars are environmentally friendly! Printed on responsibly sourced paper and 100% recyclable with sturdy cardboard backers.
