A Number Puzzle a Day
366 brightly illustrated number puzzles for every day of the year. Features magic squares, sudokus, and mathematical brainteasers with progressive difficulty. Includes hints, tips, and answers to develop problem-solving skills.
Original: $11.63
-65%$11.63
$4.07
Description
366 brightly illustrated number puzzles for every day of the year. Features magic squares, sudokus, and mathematical brainteasers with progressive difficulty. Includes hints, tips, and answers to develop problem-solving skills.











