Ben Franklin and the Magic SquaresBy: Frank Murphy Illustrator: Richard Walz Series: Step into Reading This entertaining Step 4 leveled reader introduces kids to Ben Franklin and his many inventions, including the story of how he created the "magic square." If your child likes sudoku, they'll love learning about the magic square! A magic square is a box of nine numbers arranged so that any line of three numbers adds up to the same number, including on the diagonal! Teachers and kids