Upper and lower halves of divided pages can be turned separately, to match numbers with pictures.

Huge numbers are hard to comprehend. This book explains quantities in terms children can understand. For example, one million dollars could buy two full pizzas a day for more than sixty-eight years.

Zero is a big round number. When she looks at herself, she just sees a hole right in her center. Every day she watches the other numbers line up to count: "1, 2, 3, 4, 5, 6, 7 . . . !" "Those numbers have value. That's why they count," she thinks. But how could a number worth nothing become something? Zero feels empty inside. She watches One having fun with the other numbers. One has bold strokes and squared corners. Zero is big and round with no...