How big is the universe? Which ocean is the deepest? How did the English language begin? Learn the answer to all of these and more in: *The Big Book of Tell Me Why*. It has hundreds of questions children ask, and answers them all concisely in a way that anyone can understand. Even adults will find something they are interested in, with questions like: Why is the ocean so salty? or: When did the ice age end? The book contains wonderful information that everyone will enjoy learning!