Here is something to chew on. A shark can lose and replace over 30,000 teeth in its lifetime. That's just one of the amazing facts that award-winning children's author Diane Swanson writes about in the latest Welcome to the World title. The text and colorful photographs bring the underwater world of sharks to life. Stories of a shark that traveled from New York to Brazil and sharks that find their way through mazes will enthrall children. Young readers will learn what baby sharks are called, how fast sharks swim, and what kind of seafood they like.