Young readers focus on the importance and issues of clean water. Young readers will discover what they can do to make greener choices as they grow up. Young readers will discover that it's easy to pack a lunch that is eco-friendly and yummy too! Young readers discover what harms plant and animal habitats, and what people can do to help. Young Readers Will Discover Why Trees Are So Important To A Healthy Earth. This book describes what flippers look like, and how some animals use flippers to swim or crawl. It also discusses the different animals that have flippers. Tots will enjoy learning what might be inside some of the trucks they see motoring by.