How long would it take to count to a billion without stopping? How many pizzas could a million dollars buy? Big numbers-- like millions, billions, and trillions

"Numbers are often intimidating, confusing, and even deliberately deceptive--especially when they are really big. The media loves to report on millions, billion

How can an old man and his wife select one cat from a choice of millions and trillions.

"This picture book is one in a gazillion."--Jane O'Connor, the New York Times-bestselling author of the Fancy Nancy series Did you know that the earth is covere

NEW YORK TIMES BESTSELLER • In the final book of his astonishing career, Carl Sagan brilliantly examines the burning questions of our lives, our world, and th